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Luo D, Bai Z, Bai H, Liu N, Han J, Ma C, Wu D, Bai L, Li Z. A first-in-class dimethyl 2-acetamido terephthalate inhibitor targeting Conyza canadensis SHMT1 with a novel herbicidal mode-of-action. J Adv Res 2024; 62:59-70. [PMID: 37820886 PMCID: PMC11331707 DOI: 10.1016/j.jare.2023.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/26/2023] [Accepted: 10/04/2023] [Indexed: 10/13/2023] Open
Abstract
INTRODUCTION Herbicide application is a highly efficiency method of weed control that boots agricultural output and assures food security. The development of novel herbicides focuses on improved bioactivity and new modes of action. The amino acid biosynthesis was validated as a promising novel mode of action for herbicidal compounds. However, the amino acid biosynthesis enzyme remains largely unexplored for herbicidal targets. OBJECTIVES Serine hydroxymethyl transferase (SHMT) is an essentialenzyme in the photorespiratory cycle. The study aims to explore Conyza canadensis SHMT1 (CcSHMT1) as a promising target for herbicide discovery. METHODS Structure determination of CcSHMT1 was resolved by X-ray crystallography. Virtual screening docking experiments were performed with Glide version 5.5. Novel derivatives of dimethyl 2-acetamido terephthalate were further designed, synthesized, and bioassay. The druggability of the inhibitor was evidenced by ultrastructural changes in mitochondria, in vivo and vitro enzyme activity assays, and genetics analysis. RESULTS CcSHMT1 has a typical PLP-dependent enzyme 3D structure. The dimethyl 2-acetamido terephthalate-containing compounds had herbicidal activity. Dimethyl 2-(2-(4-(2-(4-bromo-2-chlorophenoxy) acetyl)piperazin-1-yl)acetamido) terephthalate (Compound 9ay, EC50 = 193.8 g a.i./ ha) exhibited the highest herbicidal activity on tested weed among the synthesized compounds. Compound 9ay had no obvious adverse effect on the growth of maize and honeybees. Compound 9ay was verified to target CcSHMT1 as an herbicide candidate. CONCLUSION A first-in-class CcSHMT1 inhibitor that could be developed as a potent herbicide with a new mode of action and provide an avenue for discovering novel inhibitors of pyridoxal-5-phosphate-dependent enzymes.
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Affiliation(s)
- Dingfeng Luo
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China; Longping Branch, College of Biology, Hunan University, Changsha 410125, China
| | - Zhendong Bai
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Haodong Bai
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Na Liu
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China; Longping Branch, College of Biology, Hunan University, Changsha 410125, China
| | - Jincai Han
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China; Longping Branch, College of Biology, Hunan University, Changsha 410125, China
| | - Changsheng Ma
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China; Longping Branch, College of Biology, Hunan University, Changsha 410125, China
| | - Di Wu
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Lianyang Bai
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China; Longping Branch, College of Biology, Hunan University, Changsha 410125, China.
| | - Zuren Li
- Hunan Provincial Key Laboratory for Biology and Control of Weeds, Hunan Academy of Agricultural Sciences, Changsha 410125, China; Longping Branch, College of Biology, Hunan University, Changsha 410125, China.
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Yu XH, Dong J, Fan CP, Chen MX, Li M, Zheng BF, Hu YF, Lin HY, Yang GF. Discovery and Development of 4-Hydroxyphenylpyruvate Dioxygenase as a Novel Crop Fungicide Target. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:19396-19407. [PMID: 38035573 DOI: 10.1021/acs.jafc.3c05260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Plant pathogenic fungi pose a significant threat to crop yields and quality, and the emergence of fungicide resistance has further exacerbated the problem in agriculture. Therefore, there is an urgent need for efficient and environmentally friendly fungicides. In this study, we investigated the antifungal activity of (+)-Usnic acid and its inhibitory effect on crop pathogenic fungal 4-hydroxyphenylpyruvate dioxygenases (HPPDs) and determined the structure of Zymoseptoria tritici HPPD (ZtHPPD)-(+)-Usnic acid complex. Thus, the antifungal target of (+)-Usnic acid and its inhibitory basis toward HPPD were uncovered. Additionally, we discovered a potential lead fungicide possessing a novel scaffold that displayed remarkable antifungal activities. Furthermore, our molecular docking analysis revealed the unique binding mode of this compound with ZtHPPD, explaining its high inhibitory effect. We concluded that HPPD represents a promising target for the control of phytopathogenic fungi, and the new compound serves as a novel starting point for the development of fungicides and dual-purpose pesticides.
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Affiliation(s)
- Xin-He Yu
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
| | - Jin Dong
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
| | - Cheng-Peng Fan
- School of Basic Medical Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Meng-Xi Chen
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
| | - Min Li
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
| | - Bai-Feng Zheng
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
| | - Ya-Fang Hu
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
| | - Hong-Yan Lin
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
| | - Guang-Fu Yang
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, P. R. China
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Yang D, Wang YE, Chen M, Liu H, Huo J, Zhang J. Discovery of Bis-5-cyclopropylisoxazole-4-carboxamides as Novel Potential 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5136-5142. [PMID: 36972477 DOI: 10.1021/acs.jafc.2c08912] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (EC 1.13.11.27; HPPD) represents a potential target for novel herbicide development. To discover the more promising HPPD inhibitor, we designed and synthesized a series of bis-5-cyclopropylisoxazole-4-carboxamides with different linkers using a multitarget pesticide design strategy. Among them, compounds b9 and b10 displayed excellent herbicidal activities versus Digitaria sanguinalis (DS) and Amaranthus retroflexus (AR) with the inhibition of about 90% at the concentration of 100 mg/L in vitro, which was better than that of isoxaflutole (IFT). Furthermore, compounds b9 and b10 displayed the best inhibitory effect versus DS and AR with the inhibition of about 90 and 85% at 90 g (ai)/ha in the greenhouse, respectively. The structure-activity relationship study showed that the flexible linker (6 carbon atoms) is responsible for increasing their herbicidal activity. The molecular docking analyses showed that compounds b9 and b10 could more closely bind to the active site of HPPD and thus exhibited a better inhibitory effect. Altogether, these results indicated that compounds b9 and b10 could be used as potential herbicide candidates targeting HPPD.
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Affiliation(s)
- Dongchen Yang
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Yan-En Wang
- College of Science, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Miaomiao Chen
- Scientific Rescearch Academy, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Haiyan Liu
- College of Science, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Jingqian Huo
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Jinlin Zhang
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
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Chen P, Shi M, Niu M, Zhang Y, Wang R, Xu J, Wang Y. Effects of HPPD inhibitor herbicides on soybean root exudates: A combination study of multispectral technique and 2D-COS analysis. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 289:122241. [PMID: 36529042 DOI: 10.1016/j.saa.2022.122241] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/22/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor herbicides are widely used in modern agriculture. Plant root exudates (REs) play an important role in the adsorption, degradation, migration and transformation of pesticides in soil. In the present study, the structural affinity and interaction mechanism between four HPPD inhibitors (HPPDi) and soybean REs were investigated via multispectral technologies and two-dimensional correlation analysis (2D-COS). UV-vis absorption and fluorescence spectra showed that mesotrione, tembotrione, sulcotrione and topramezone effectively quench the intrinsic fluorescence of soybean REs through static quenching. The binding constant Ka revealed that the binding ability of HPPDi to soybean REs takes the following order: mesotrione > tembotrione > sulcotrione > topramezone. According to the thermodynamic parameters, the main interaction force between tembotrione, sulcotrione, topramezone and soybean REs is electrostatic interaction, while the main interaction force is a hydrogen bond or van der Waals force between mesotrione and soybean REs. The conformational changes of REs were attributed to HPPDi by 3D spectral evaluation. FTIR spectroscopy and 2D-COS analysis suggested that soybean REs mainly formed stable complexes with HPPDi through functional groups such as carbonyl, carboxyl, methoxy and nitrate, and the first binding groups were carbonyl and carboxyl. These results provide helpful information for the adsorption and desorption process of environmental pollutants on the surface of plants and soil.
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Affiliation(s)
- Panpan Chen
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Mengchen Shi
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Mengyuan Niu
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Yuxin Zhang
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Rui Wang
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Jing Xu
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Yi Wang
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China.
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Zeng H, Zhang W, Wang Z, Gan X. Discovery of Novel Pyrazole Derivatives with Improved Crop Safety as 4-Hydroxyphenylpyruvate Dioxygenase-Targeted Herbicides. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:3950-3959. [PMID: 36848139 DOI: 10.1021/acs.jafc.2c07551] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
As one of the essential herbicide targets, 4-hydroxyphenylpyruvate dioxygenase (HPPD) has recently been typically used to produce potent new herbicides. In continuation with the previous work, several pyrazole derivatives comprising a benzoyl scaffold were designed and synthesized, and their inhibitory effects on Arabidopsis thaliana hydroxyphenylpyruvate dioxygenase (AtHPPD) and herbicidal activities were comprehensively evaluated in this study. Compound Z9 showed top-rank inhibitory activity to AtHPPD with an half-maximal inhibitory concentration (IC50) value of 0.05 μM, which was superior to topramezone (1.33 μM) and mesotrione (1.76 μM). Compound Z21 exhibited superior preemergence inhibitory activity against Echinochloa crusgalli, with stem and root inhibition rates of 44.3 and 69.6%, respectively, compared to topramezone (16.0 and 53.0%) and mesotrione (12.8 and 41.7%). Compounds Z5, Z15, Z20, and Z21 showed excellent postemergence herbicidal activities at a dosage of 150 g ai/ha, along with distinct bleaching symptoms and higher crop safety than topramezone and mesotrione, and they all were safe for maize, cotton, and wheat with injury rates of 0 or 10%. In addition, the molecular docking analysis also revealed that these compounds formed hydrophobic π-π interactions with Phe360 and Phe403 to AtHPPD. This study suggests that pyrazole derivatives containing a benzoyl scaffold could be used as new HPPD inhibitors to develop pre- and postemergence herbicides and be applied to additional crop fields.
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Affiliation(s)
- Huanan Zeng
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Wei Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Zhengxing Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Xiuhai Gan
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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Capucho LR, da Cunha EFF, Freitas MP. Study of two combined series of triketones with HPPD inhibitory activity by molecular modelling. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2023; 34:231-246. [PMID: 36951367 DOI: 10.1080/1062936x.2023.2192521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Triketones are suitable compounds for 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibition and are important compounds for eliminating agricultural weeds. We report herein quantitative structure-activity relationship (QSAR) modelling and docking studies for a series of triketone-quinoline hybrids and 2-(aryloxyacetyl)cyclohexane-1,3-diones with the aim of proposing new chemical candidates that exhibit improved performance as herbicides. The QSAR models obtained were reliable and predictive (average r2, q2, and r2pred of 0.72, 0.51, and 0.71, respectively). Guided by multivariate image analysis of the PLS regression coefficients and variable importance in projection scores, the substituent effects could be analysed, and a promising derivative with R1 = H, R2 = CN, and R3 = 5,7,8-triCl at the triketone-quinoline scaffold (P18) was proposed. Docking studies demonstrated that π-π stacking interactions and specific interactions between the substituents and amino acid residues in the binding site of the Arabidopsis thaliana HPPD (AtHPPD) enzyme support the desired bioactivity. In addition, compared to a benchmark commercial triketone (mesotrione), the proposed compounds are more lipophilic and less mobile in soil rich in organic matter and are less prone to contaminate groundwater.
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Affiliation(s)
- L R Capucho
- Departamento de Química, Instituto de Ciências Naturais, Universidade Federal de Lavras, Lavras, Brazil
| | - E F F da Cunha
- Departamento de Química, Instituto de Ciências Naturais, Universidade Federal de Lavras, Lavras, Brazil
| | - M P Freitas
- Departamento de Química, Instituto de Ciências Naturais, Universidade Federal de Lavras, Lavras, Brazil
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Liu HY, Yu LK, Qin SN, Yang HZ, Wang DW, Xi Z. Design, Synthesis, and Metabolism Studies of N-1,4-Diketophenyltriazinones as Protoporphyrinogen IX Oxidase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:3225-3238. [PMID: 36780578 DOI: 10.1021/acs.jafc.2c09082] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Protoporphyrinogen IX oxidase (PPO, EC 1.3.3.4) is an established site for green herbicide discovery. In this work, based on structural analysis, we develop an active fragment exchange and link (AFEL) approach to designing a new class of N-1,4-diketophenyltriazinones I-III as potent Nicotiana tabacum PPO (PPO) inhibitors. After systematic structure-activity relationship optimizations, a series of new compounds with Ki values in the single-digit nanomolar range toward NtPPO and promising herbicidal activity were discovered. Among them, Ii (Ki = 0.11 nM) displays 284- and 90-fold improvement in NtPPO inhibitory activity over trifludimoxazin (Ki = 31 nM) and saflufenacil (Ki = 10 nM), respectively. In addition, Ip (Ki = 2.14 nM) not only exhibited good herbicidal activity at 9.375-37.5 g ai/ha but also showed high crop safety to rice at 75 g ai/ha by the postemergence application, indicating that Ip could be developed as a potential herbicide for weed control in rice fields. Additionally, our molecular dynamic simulation clarified the molecular basis for the interactions of these molecules with NtPPO. The metabolism studies in planta showed that IIIc could be converted to Ic, which displayed higher herbicidal activity than IIIc. The density functional theory analysis showed that due to the effect of two sulfur atoms at the triazinone moiety, IIIc is more reactive than Ic, making it more easily degraded in planta. Our work indicates that the AFEL strategy could be used to design new molecules with improved bioactivity.
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Affiliation(s)
- Hong-Yun Liu
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Liang-Kun Yu
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Sheng-Nan Qin
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Huang-Ze Yang
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Da-Wei Wang
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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Dong J, Dong J, Yu XH, Yan YC, Nan JX, Ye BQ, Yang WC, Lin HY, Yang GF. Discovery of Subnanomolar Inhibitors of 4-Hydroxyphenylpyruvate Dioxygenase via Structure-Based Rational Design. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:1170-1177. [PMID: 36599124 DOI: 10.1021/acs.jafc.2c06727] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
High-potency 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitors are usually featured by time-dependent inhibition. However, the molecular mechanism underlying time-dependent inhibition by HPPD inhibitors has not been fully elucidated. Here, based on the determination of the HPPD binding mode of natural products, the π-π sandwich stacking interaction was found to be a critical element determining time-dependent inhibition. This result implied that, for the time-dependent inhibitors, strengthening the π-π sandwich stacking interaction might improve their inhibitory efficacy. Consequently, modification with one methyl group on the bicyclic ring of quinazolindione inhibitors was achieved, thereby strengthening the stacking interaction and significantly improving the inhibitory efficacy. Further introduction of bulkier hydrophobic substituents with higher flexibility resulted in a series of HPPD inhibitors with outstanding subnanomolar potency. Exploration of the time-dependent inhibition mechanism and molecular design based on the exploration results are very successful cases of structure-based rational design and provide a guiding reference for future development of HPPD inhibitors.
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Affiliation(s)
- Jin Dong
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Jiangqing Dong
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Xin-He Yu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Yao-Chao Yan
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Jia-Xu Nan
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Bao-Qin Ye
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Hong-Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
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Wang Y, Song H, Wang S, Cai Q, Zhang Y, Zou Y, Liu X, Chen J. Discovery of quinazoline compound as a novel nematicidal scaffold. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 189:105310. [PMID: 36549817 DOI: 10.1016/j.pestbp.2022.105310] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/14/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
With the aim of discovering novel nematicidal scaffolds, the nematicidal activities of a series of quinazoline compounds were tested, with some compounds showing excellent results. Among them, the LC50 values of compound K11 against Bursaphelenchus xylophilus, Aphelenchoides besseyi, and Ditylenchus destructor were 7.33, 6.09, and 10.95 mg/L, respectively. In addition, the nematicidal activity of compound K11 against Meloidogyne incognita was 98.77% at 100 mg/L. Compound K11 not only increased the production of reactive oxygen species and the accumulation of lipofuscin and lipids in nematodes, but it also attenuated nematode pathogenicity by reducing the nematodes' antioxidant capacity. Transcriptomic analysis showed that compound K11 had significant effects on fatty acid degradation, metabolic pathways, and the differentially expressed genes related to redox processes in nematodes. Furthermore, the expression levels of the corresponding differentially expressed genes were verified using real-time quantitative polymerase chain reaction. Quinazoline can be used as a new nematicidal scaffold, and it is expected that more work will be done on the discovery of novel nematicides based on the lead compound K11 in the future.
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Affiliation(s)
- Yu Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Hongyi Song
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Sheng Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Qingfeng Cai
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yong Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yue Zou
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Xing Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Jixiang Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China.
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Li L, Lai S, Lin H, Zhao X, Li X, Chen X, Liu J, Yang G, Zhan C. QM/MM study on the O2 activation reaction of 4-hydroxylphenyl pyruvate dioxygenase reveals a common mechanism for α-ketoglutarate dependent dioxygenase. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Zeng H, Zhang W, Wang Z, Geng W, Feng G, Gan X. Novel Pyrazole Amides as Potential 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7400-7411. [PMID: 35687877 DOI: 10.1021/acs.jafc.2c02123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is an important target for the development of new herbicides. HPPD inhibitors can hinder photosynthesis and induce weed death with bleaching symptoms. To explore the novel skeleton of HPPD inhibitors, a series of novel pyrazole amide derivatives were synthesized and evaluated for their inhibitory effects on Arabidopsis thaliana HPPD (AtHPPD) and herbicidal activities. Some compounds had excellent inhibitory activities against AtHPPD. Among them, compound B5 displayed top-rank inhibitory activity against AtHPPD with an IC50 value of 0.04 μM, which was obviously superior to that of topramezone (IC50 value of 0.11 μM). Furthermore, compounds B2 and B7 had 100% herbicidal activities in Petri dish assays against Portulaca oleracea and Amaranthus tricolor at 100 μg/mL. In particular, compound B7 not only possessed strong AtHPPD inhibitory activity but also exhibited significant preemergence herbicidal activity. However, compound B7 was completely harmless to soybean, cotton, and wheat. In addition, the molecular docking and microscale thermophoresis measurement experiment verified that compounds can bind well with AtHPPD via π-π interactions. The present work provides a new approach for the rational design of more effective HPPD inhibitors, and pyrazole amides could be used as useful substructures for the development of new HPPD inhibitors and preemergence herbicidal agents.
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Affiliation(s)
- Huanan Zeng
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Wei Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Zhengxing Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Wang Geng
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Gang Feng
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Science, Haikou 571101, China
| | - Xiuhai Gan
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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12
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Chen J, Wang Y, Luo X, Chen Y. Recent research progress and outlook in agricultural chemical discovery based on quinazoline scaffold. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 184:105122. [PMID: 35715060 DOI: 10.1016/j.pestbp.2022.105122] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 05/08/2022] [Accepted: 05/11/2022] [Indexed: 05/27/2023]
Abstract
The discovery of new scaffolds and targets for pesticides is still a huge challenge facing the sustainable development of modern agriculture. In recent years, quinazoline derivatives have achieved great progress in drug discovery and have attracted great attention. Quinazoline is a unique bicyclic scaffold with a variety of biological activities, which increases the possibilities and flexibility of structural modification, showing enormous appeal in the discovery of new pesticides. Therefore, the agricultural biological activities, structure-activity relationships (SAR), and mechanism of action of quinazoline derivatives in the past decade were reviewed systematically, with emphasis on SAR and mechanism. Then, we prospected the application of the quinazoline scaffold as a special structure in agricultural chemical discovery, hoping to provide new ideas for the rational design and mechanism of novel quinazoline agricultural chemicals in the future.
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Affiliation(s)
- Jixiang Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China.
| | - Yu Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Xin Luo
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yifang Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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13
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Hu W, Gao S, Zhao LX, Guo KL, Wang JY, Gao YC, Shao XX, Fu Y, Ye F. Design, synthesis and biological activity of novel triketone-containing quinoxaline as HPPD inhibitor. PEST MANAGEMENT SCIENCE 2022; 78:938-946. [PMID: 34719096 DOI: 10.1002/ps.6703] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/11/2021] [Accepted: 10/30/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND 4-Hydroxyphenyl pyruvate dioxygenase (EC 1.13.11.27, HPPD) is one of the important target enzymes used to address the issue of weed control. HPPD-inhibiting herbicides can reduce the carotenoid content in plants and hinder photosynthesis, eventually causing albinism and death. Exploring novel HPPD-inhibiting herbicides is a significant direction in pesticide research. In the process of exploring new high-efficiency HPPD inhibitors, a series of novel quinoxaline derivatives were designed and synthesized using an active fragment splicing strategy. RESULTS The title compounds were unambiguously characterized by infrared, 1 H NMR, 13 C NMR, and high-resolution mass spectroscopy. The results of the in vitro tests indicated that the majority of the title compounds showed potent inhibition of Arabidopsis thaliana HPPD (AtHPPD). Preliminary bioevaluation results revealed that a number of novel compounds displayed better or excellent herbicidal activity against broadleaf and monocotyledonous weeds. Compound III-5 showed herbicidal effects comparable to those of mesotrione at a rate of 150 g of active ingredient (ai)/ha for post-emergence application. The results of molecular dynamics verified that compound III-5 had a more stable protein-binding ability. Molecular docking results showed that compound III-5 and mesotrione shared homologous interplay with the surrounding residues. In addition, the enlarged aromatic ring system adds more force, and the hydrogen bond formed can enhance the synergy with π-π stacking. CONCLUSIONS The present work indicates that compound III-5 may be a potential lead structure for the development of new HPPD inhibitors.
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Affiliation(s)
- Wei Hu
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Shuang Gao
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Li-Xia Zhao
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Ke-Liang Guo
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Jia-Yu Wang
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Ying-Chao Gao
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Xin-Xin Shao
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Ying Fu
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Fei Ye
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, People's Republic of China
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Wang Z, Wang H, Li J, Yu J, Lin H, Dong L. Comparison of quintrione and quinclorac on mechanism of action. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 181:105007. [PMID: 35082030 DOI: 10.1016/j.pestbp.2021.105007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/06/2021] [Accepted: 12/06/2021] [Indexed: 06/14/2023]
Abstract
Quintrione is a new post-emergence herbicide developed for use in rice; however, the mechanism of action remains unclear. We determined the phytotoxicity of quintrione, and the contributions of hormone levels and lipid peroxidation to phytotoxicity, by comparing them to those induced by quinclorac. We also investigated 4-hydroxyphenylpyruvate dioxygenase (HPPD) activity and carotenoid content following treatment with quintrione by comparing them to those induced by quinclorac and mesotrione. We found that quintrione and quinclorac both inhibited the growth of Echinochloa crusgalli var. zelayensis, but that quinclorac was a little more effective. At 24 h, quintrione and quinclorac significantly increased ethylene production and the contents of abscisic acid (ABA) and indole acetic acid (IAA) compared with the control. No significant differences were observed between quintrione and quinclorac on the three plant hormones. Quintrione and quinclorac also induced the formation of malondialdehyde (MDA), which is associated with lipid peroxidation, with no significant difference between them. Carotenoid content was reduced in E. crusgalli var. zelayensis following treatments with quintrione, quinclorac, and mesotrione. At 120 h, carotenoid contents were significantly higher following the quintrione and quinclorac treatments, in comparison with mesotrione treatment. There were no significant differences between quintrione and quinclorac in the inhibition of HPPD activity, and the effects of both were significantly less than the effect of mesotrione. In summary, E. crusgalli var. zelayensis was susceptible to both quintrione and quinclorac. The mechanism of action of quintrione, like that of quinclorac, was related to levels of plant hormones and lipid peroxidation; however, quintrione was a poor inhibitor of HPPD activity compared to mesotrione.
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Affiliation(s)
- Zhengbo Wang
- Key Laboratory of Intergrated Pest Management on Crops In East China, Ministry of Agricultural, Nanjing Agricultural University, 210095 Nanjing, China; State &Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, 210095 Nanjing, China
| | - Hao Wang
- Key Laboratory of Intergrated Pest Management on Crops In East China, Ministry of Agricultural, Nanjing Agricultural University, 210095 Nanjing, China; State &Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, 210095 Nanjing, China
| | - Jun Li
- Key Laboratory of Intergrated Pest Management on Crops In East China, Ministry of Agricultural, Nanjing Agricultural University, 210095 Nanjing, China; State &Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, 210095 Nanjing, China
| | - Jiaxing Yu
- Key Laboratory of Intergrated Pest Management on Crops In East China, Ministry of Agricultural, Nanjing Agricultural University, 210095 Nanjing, China; State &Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, 210095 Nanjing, China
| | - Hongyan Lin
- College of Chemistry, Chemical Biology Center, Central China Normal University, 430079 Wuhan, China
| | - Liyao Dong
- Key Laboratory of Intergrated Pest Management on Crops In East China, Ministry of Agricultural, Nanjing Agricultural University, 210095 Nanjing, China; State &Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, 210095 Nanjing, China.
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15
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Wang DW, Zhang H, Yu SY, Zhang RB, Liang L, Wang X, Yang HZ, Xi Z. Discovery of a Potent Thieno[2,3- d]pyrimidine-2,4-dione-Based Protoporphyrinogen IX Oxidase Inhibitor through an In Silico Structure-Guided Optimization Approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:14115-14125. [PMID: 34797973 DOI: 10.1021/acs.jafc.1c05665] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A key objective for herbicide research is to develop new compounds with improved bioactivity. Protoporphyrinogen IX oxidase (PPO) is an essential target for herbicide discovery. Here, we report using an in silico structure-guided optimization approach of our previous lead compound 1 and designed and synthesized a new series of compounds 2-6. Systematic bioassays led to the discovery of a highly potent compound 6g, 1-methyl-3-(2,2,7-trifluoro-3-oxo-4-(prop-2-yn-1-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione, which exhibited an excellent and wide spectrum of weed control at the rates of 30-75 g ai/ha by the postemergence application and is relatively safe on maize at 75 g ai/ha. Additionally, the Ki value of 6g to Nicotiana tabacum PPO (NtPPO) was found to be 2.5 nM, showing 3-, 12-, and 18-fold higher potency relative to compound 1 (Ki = 7.4 nM), trifludimoxazin (Ki = 31 nM), and flumioxazin (Ki = 46 nM), respectively. Furthermore, molecular simulations further suggested that the thieno[2,3-d]pyrimidine-2,4-dione moiety of 6g could form a more favorable π-π stacking interaction with the Phe392 of NtPPO than the heterocyclic moiety of compound 1. This study provides an effective strategy to obtain enzyme inhibitors with improved performance through molecular simulation and structure-guided optimization.
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Affiliation(s)
- Da-Wei Wang
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Hang Zhang
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Shu-Yi Yu
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Rui-Bo Zhang
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Lu Liang
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Xia Wang
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Huang-Ze Yang
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Zhen Xi
- National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Department of Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry, and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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16
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Song HM, Zhao LX, Zhang SQ, Ye T, Fu Y, Ye F. Design, Synthesis, Structure-Activity Relationship, Molecular Docking, and Herbicidal Evaluation of 2-Cinnamoyl-3-Hydroxycyclohex-2-en-1-one Derivatives as Novel 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:12621-12633. [PMID: 34677970 DOI: 10.1021/acs.jafc.1c04621] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Cinnamic acid, isolated from cinnamon bark, is a natural product with excellent bioactivity, and it effectively binds with cyclohexanedione to form novel 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitors. According to the active sub-structure combination principle, a series of novel 3-hydroxy-2-cinnamoyl-2-en-1-one derivatives were designed and synthesized. The title compounds were characterized by infrared, 1H NMR, 13C NMR, and HRMS. The in vitro inhibitory activity of AtHPPD verified that compound II-13 showed the most activity with a half-maximal inhibitory concentration (IC50) value of 0.180 μM, which was superior to that of mesotrione (0.206 μM) in vitro. The preliminary herbicidal activity tests demonstrated that some compounds had good herbicidal activity especially compound II-13 at a concentration of 150 g ai/ha. The binding mode of AtHPPD through molecular docking indicated that two oxygens of compounds II-13 formed bidentate interactions with metal ions, and the benzene ring formed π-π accumulation effects with Phe-381 and Phe-424. The results of molecular dynamics simulations showed that compound II-13 exhibited a more stable binding ability with AtHPPD than mesotrione. This study provided insights into the development of natural and efficient herbicides in the future.
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Affiliation(s)
- Hao-Min Song
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Li-Xia Zhao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Shuai-Qi Zhang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Tong Ye
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Ying Fu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Fei Ye
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
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17
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Wang YE, Yang D, Huo J, Chen L, Kang Z, Mao J, Zhang J. Design, Synthesis, and Herbicidal Activity of Thioether Containing 1,2,4-Triazole Schiff Bases as Transketolase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:11773-11780. [PMID: 34587736 DOI: 10.1021/acs.jafc.1c01804] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Transketolase (TK) represents a potential target for novel herbicide development. To discover novel TK inhibitors with potency against resistant weeds, 36 thioether compounds containing 1,2,4-triazole Schiff bases were designed and synthesized for herbicidal activity evaluation. The results demonstrated that compounds 5av and 5aw provided excellent weed control with inhibition of over 90% against the tested weeds, even at concentrations as low as 100 mg/L in vitro. In addition, compounds 5av and 5aw exhibited higher postemergence herbicidal activity than all of the positive controls against the tested weeds at 50-90 g [active ingredient (ai)]/ha in a greenhouse, while being safe for crops of maize and wheat at 90 g (ai)/ha. Fluorescent binding experiments of At TK indicated that compounds 5av and 5aw had strong TK inhibitory activity and could tightly bind with the enzyme At TK. Also, molecular docking analyses revealed that the structures of compounds 5av and 5aw were suitable for TK inhibitory activity. Taken together, these results suggested that compounds 5av and 5aw were promising herbicide candidates for weed control in wheat and maize fields targeting TK.
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Affiliation(s)
- Yan-En Wang
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei 071001, People's Republic of China
- College of Science, Hebei Agricultural University, Baoding, Hebei 071001, People's Republic of China
| | - Dongchen Yang
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei 071001, People's Republic of China
| | - Jingqian Huo
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei 071001, People's Republic of China
| | - Lai Chen
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei 071001, People's Republic of China
| | - Zhanhai Kang
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei 071001, People's Republic of China
| | - Jianyou Mao
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, People's Republic of China
| | - Jinlin Zhang
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei 071001, People's Republic of China
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18
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Wang X, Lin H, Liu J, Zhao X, Chen X, Yang W, Yang G, Zhan CG. The structure of 4-hydroxylphenylpyruvate dioxygenase complexed with 4-hydroxylphenylpyruvic acid reveals an unexpected inhibition mechanism. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.02.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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19
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Liang L, Yu S, Li Q, Wang X, Wang D, Xi Z. Design, synthesis, and molecular simulation studies of N-phenyltetrahydroquinazolinones as protoporphyrinogen IX oxidase inhibitors. Bioorg Med Chem 2021; 39:116165. [PMID: 33915477 DOI: 10.1016/j.bmc.2021.116165] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/13/2021] [Accepted: 04/16/2021] [Indexed: 02/05/2023]
Abstract
Discovering new protoporphyrinogen oxidase (PPO, EC 1.3.3.4) inhibitors is a promising direction for agrochemical research. Herein, we reported the discovery and in silico structure-guided optimization of N-phenyltetrahydroquinazolinones 1 and 2 as new PPO inhibitors. Most of the obtained compounds 1 and 2 exhibited significantly enhanced Nicotiana tabacum PPO (NtPPO) inhibitory potency than that of flumioxazin. Promisingly, 1-(tert-butoxy)-1-oxopropan-2-yl 2-chloro-4-fluoro-5-(4-oxo-5,6,7,8-tetrahydroquinazolin-3(4H)-yl)benzoate, 2o, with a Ki value of 4 nM, showed ten folds more enhanced NtPPO-inhibiting potency than flumioxazin. Additionally, compounds 2b and 2i showed a broad spectrum of broadleaf weeds control at 37.5-150 g ai/ha, and selective for wheat at 150 g ai/ha in the post-emergent application. The molecular simulation studies revealed the vital basis between N-phenyltetrahydroquinazolinones and NtPPO. The present work indicated that the N-phenyltetrahydroquinazolinone motif might be a potential scaffold for herbicide discovery.
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Affiliation(s)
- Lu Liang
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, and Department of Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, PR China
| | - Shuyi Yu
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, and Department of Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, PR China
| | - Qian Li
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, and Department of Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, PR China
| | - Xia Wang
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, and Department of Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, PR China
| | - Dawei Wang
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, and Department of Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, PR China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry, National Pesticide Engineering Research Center, and Department of Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, PR China.
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20
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Nan JX, Yang JF, Lin HY, Yan YC, Zhou SM, Wei XF, Chen Q, Yang WC, Qu RY, Yang GF. Synthesis and Herbicidal Activity of Triketone-Aminopyridines as Potent p-Hydroxyphenylpyruvate Dioxygenase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:5734-5745. [PMID: 33999624 DOI: 10.1021/acs.jafc.0c07782] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Exploring novel p-hydroxyphenylpyruvate dioxygenase (EC 1.13.11.27, HPPD) inhibitors has become one of the most promising research directions in herbicide innovation. On the basis of our tremendous interest in exploiting more powerful HPPD inhibitors, we designed a family of benzyl-containing triketone-aminopyridines via a structure-based drug design (SBDD) strategy and then synthesized them. Among these prepared derivatives, the best active 3-hydroxy-2-(3,5,6-trichloro-4-((4-isopropylbenzyl)amino)picolinoyl)cyclohex-2-en-1-one (23, IC50 = 0.047 μM) exhibited a 5.8-fold enhancement in inhibiting Arabidopsis thaliana (At) HPPD activity over that of commercial mesotrione (IC50 = 0.273 μM). The predicted docking models and calculated energy contributions of the key residues for small molecules suggested that an additional π-π stacking interaction with Phe-392 and hydrophobic contacts with Met-335 and Pro-384 were detected in AtHPPD upon the binding of the best active compound 23 compared with that of the reference mesotrione. Such a molecular mechanism and the resulting binding affinities coincide with the proposed design scheme and experimental values. It is noteworthy that inhibitors 16 (3-hydroxy-2-(3,5,6-trichloro-4-((4-chlorobenzyl)amino)picolinoyl)cyclohex-2-en-1-one), 22 (3-hydroxy-2-(3,5,6-trichloro-4-((4-methylbenzyl)amino)picolinoyl)cyclohex-2-en-1-one), and 23 displayed excellent greenhouse herbicidal effects at 150 g of active ingredient (ai)/ha after postemergence treatment. Furthermore, compound 16 showed superior weed-controlling efficacy against Setaria viridis (S. viridis) versus that of the positive control mesotrione at multiple test dosages (120, 60, and 30 g ai/ha). These findings imply that compound 16, as a novel lead of HPPD inhibitors, possesses great potential for application in specifically combating the malignant weed S. viridis.
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Affiliation(s)
- Jia-Xu Nan
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Jing-Fang Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Hong-Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Yao-Chao Yan
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Shao-Meng Zhou
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xue-Fang Wei
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Qiong Chen
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Ren-Yu Qu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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21
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Fu Y, Wang M, Zhao LX, Zhang SQ, Liu YX, Guo YY, Zhang D, Gao S, Ye F. Design, synthesis, herbicidal activity and CoMFA of aryl-formyl piperidinone HPPD inhibitors. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 174:104811. [PMID: 33838713 DOI: 10.1016/j.pestbp.2021.104811] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/20/2021] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
Isoxazole, nicotinic acid and benzoic acid are important components in many natural products and useful synthons to build macrostructures having valuable biological activities. In continuation of our effort to discover 4-hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) inhibitors and search for active fragments from natural products, a series of substituted aryl-formyl piperidinone derivatives with natural product fragments was rationally designed, synthesized and tested for their herbicidal activity. Compound I-9 was considered the most effective candidate with an IC50 value of 0.260 μM. The molecular docking results showed that the triketone group of compound I-9 forms a bidentate complex with a metal ion, and the benzene ring interacted with Phe424 and Phe381 via π-π stacking, which was similar to the mechanisms of mesotrione. The present work indicates that compound I-9 may serve as a potential lead compound for further development of green HPPD inhibitors.
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Affiliation(s)
- Ying Fu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Meng Wang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Li-Xia Zhao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Shuai-Qi Zhang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Yong-Xuan Liu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - You-Yuan Guo
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Dong Zhang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Shuang Gao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Fei Ye
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China.
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22
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Wang DW, Liang L, Xue ZY, Yu SY, Zhang RB, Wang X, Xu H, Wen X, Xi Z. Discovery of N-Phenylaminomethylthioacetylpyrimidine-2,4-diones as Protoporphyrinogen IX Oxidase Inhibitors through a Reaction Intermediate Derivation Approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:4081-4092. [PMID: 33787231 DOI: 10.1021/acs.jafc.1c00796] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Protoporphyrinogen oxidase (PPO, EC 1.3.3.4) is an effective target for green herbicide discovery. In this work, we reported the unexpected discovery of a novel series of N-phenylaminomethylthioacetylpyrimidine-2,4-diones (2-6) as promising PPO inhibitors based on investigating the reaction intermediates of our initially designed N-phenyluracil thiazolidinone (1). An efficient one-pot procedure that gave 41 target compounds in good to high yields was developed. Systematic Nicotiana tabacum PPO (NtPPO) inhibitory and herbicidal activity evaluations led to identifying some compounds with improved NtPPO inhibition potency than saflufenacil and good post-emergence herbicidal activity at 37.5-150 g of ai/ha. Among these analogues, ethyl 2-((((2-chloro-4-fluoro-5-(3-methyl-2,6-dioxo-4-(trifluoromethyl)-3,6-dihydropyrimidin-1(2H)-yl)phenyl)amino)methyl)thio)acetate (2c) (Ki = 11 nM), exhibited excellent weed control at 37.5-150 g of ai/ha and was safe for rice at 150 g of ai/ha, indicating that compound 2c has the potential to be developed as a new herbicide for weed management in paddy fields. Additionally, our molecular simulation and metabolism studies showed that the side chains of compound 2c could form a hydrogen-bond-mediated seven-membered ring system; substituting a methyl group at R1 could reinforce the hydrogen bond of the ring system and reduce the metabolic rate of target compounds in planta.
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Affiliation(s)
- Da-Wei Wang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Lu Liang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Zhi-Yuan Xue
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Shu-Yi Yu
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Rui-Bo Zhang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Xia Wang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Han Xu
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Xin Wen
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
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23
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Huang H, Zhang JQ, Liu JM, Wang MM, Shu L, Yan YL, Zhan XH, Wang P, Huan XT, Zhang DY. Discovery of novel benzofuran scaffold as 4-hydroxyphenylpyruvate dioxygenase inhibitors. PEST MANAGEMENT SCIENCE 2021; 77:1409-1421. [PMID: 33128494 DOI: 10.1002/ps.6159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 10/19/2020] [Accepted: 10/31/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND 4-Hydroxyphenylpyruvate dioxygenase (HPPD) plays an important role in addressing the issue of plant protection research. This study sheds new light on the differences in molecular scaffold from commercialized HPPD inhibitors. RESULTS The compounds A1-A18 and B1-B27 were synthesized for in vitro and greenhouse experiments. The greenhouse experiment data indicated that compounds B14 and B18 displayed excellent herbicidal activity, which was higher compared to that of mesotrione. In vitro testing indicated that the compounds were HPPD inhibitors. Moreover, molecular simulation results show that the compounds B14, B18, and mesotrione shared similar interplay with surrounding residues, which led to a perfect interaction with the active site of Arabidopsis thaliana HPPD. Based on crop selectivity results, compounds B14 and B18 were selected for maize studies (injury≤10%), indicating its potential for weed control in maize fields. CONCLUSION These results showed that the pyrazole-benzofuran structure could be used as possible lead compounds for the development of HPPD inhibitors. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Hao Huang
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Jian-Qiu Zhang
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Jian-Min Liu
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Man-Man Wang
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Lei Shu
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Yi-le Yan
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Xiao-Hang Zhan
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Ping Wang
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Xue-Ting Huan
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Da-Yong Zhang
- School of Sciences, China Pharmaceutical University, Nanjing, China
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24
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Qu RY, Nan JX, Yan YC, Chen Q, Ndikuryayo F, Wei XF, Yang WC, Lin HY, Yang GF. Structure-Guided Discovery of Silicon-Containing Subnanomolar Inhibitor of Hydroxyphenylpyruvate Dioxygenase as a Potential Herbicide. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:459-473. [PMID: 33395281 DOI: 10.1021/acs.jafc.0c03844] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) has been recognized as one of the most promising targets in the field of herbicide innovation considering the severity of weed resistance currently. In a persistent effort to develop effective HPPD-inhibiting herbicides, a structure-guided strategy was carried out to perform the structural optimization for triketone-quinazoline-2,4-diones, a novel HPPD inhibitor scaffold first discovered in our lab. Herein, starting from the crystal structure of Arabidopsis thaliana (At)HPPD complexed with 6-(2-hydroxy-6-oxocyclohex-1-ene-1-carbonyl)-1,5-dimethyl-3-(o-tolyl)quinazoline-2,4(1H,3H)-dione (MBQ), three subseries of quinazoline-2,4-dione derivatives were designed and prepared by optimizing the hydrophobic interactions between the side chain of the core structure at the R1 position and the hydrophobic pocket at the active site entrance of AtHPPD. 6-(2-Hydroxy-6-oxocyclohex-1-ene-1-carbonyl)-1,5-dimethyl-3-(3-(trimethylsilyl)prop-2-yn-1-yl)quinazoline-2,4(1H,3H)-dione (60) with the best inhibitory activity against AtHPPD was identified to be the first subnanomolar-range AtHPPD inhibitor (Ki = 0.86 nM), which significantly outperformed that of the lead compound MBQ (Ki = 8.2 nM). Further determination of the crystal structure of AtHPPD in complex with compound 60 (1.85 Å) and the binding energy calculation provided a molecular basis for the understanding of its high efficiency. Additionally, the greenhouse assay indicated that 6-(2-hydroxy-6-oxocyclohex-1-ene-1-carbonyl)-1,5-dimethyl-3-propylquinazoline-2,4(1H,3H)-dione (28) and compound 60 showed acceptable crop safety against peanut and good herbicidal activity with a broad spectrum. Moreover, compound 28 also showed superior selectivity for wheat at the dosage of 120 g ai/ha and favorable herbicidal efficacy toward the gramineous weeds at the dosage of as low as 30 g ai/ha. We believe that compounds 28 and 60 have promising prospects as new herbicide candidates for wheat and peanut fields.
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Affiliation(s)
- Ren-Yu Qu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Jia-Xu Nan
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Yao-Chao Yan
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Qiong Chen
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Ferdinand Ndikuryayo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xue-Fang Wei
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Hong-Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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25
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Sun XL, Ji ZM, Wei SP, Ji ZQ. Design, Synthesis, and Herbicidal Activity of N-Benzyl-5-cyclopropyl-isoxazole-4-carboxamides. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:15107-15114. [PMID: 33301336 DOI: 10.1021/acs.jafc.0c03582] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Based on the structures of isoxaflutole (IFT) and N-isobutyl-N-(4-chloro-benzyl)-4-chloro-2-pentenamide, a series of N-benzyl-5-cyclopropyl-isoxazole-4-carboxamides was designed by connecting their pharmacophores (i.e., a multitarget drug design strategy). A total of 27 N-benzyl-5-cyclopropyl-isoxazole-4-carboxamides were prepared from 5-cyclopropylisoxazole-4-carboxylic acid and substituted benzylamines, and their structures were confirmed by NMR and MS. Laboratory bioassays indicated that I-26 showed 100% inhibition against Portulaca oleracea and Abutilon theophrasti at a concentration of 10 mg/L, better than the positive control butachlor (50% inhibition for both weeds). A strong growth inhibition was observed, but a typical bleaching phenomenon of IFT could not be observed in the Petri dish assay. I-05 displayed excellent postemergence herbicidal activity against Echinochloa crusgalli and A. theophrasti at a rate of 150 g/ha, and bleaching symptoms were observed in the leaves of treated weeds. The bleaching effect of Chlamydomonas reinhardtii treated by I-05 could be reversed by adding homogentisate. Enzymatic bioassays indicated that I-05 could not inhibit 4-hydroxyphenylpyruvate dioxygenase (HPPD) activity, but II-05, an isoxazole ring-opening product of I-05, could inhibit HPPD activity with an EC50 value of 1.05 μM, similar to that of mesotrione (with an EC50 value of 1.35 μM). Detailed discussion about observed herbicidal symptoms is provided in the Results and Discussion section. This investigation provided a proof-of-concept foundation that a multitarget drug design strategy could be applied in agrochemical research.
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Affiliation(s)
- Xin-Lin Sun
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Zhen-Meng Ji
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Shao-Peng Wei
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
- Shaanxi Province Key Laboratory Research & Development on Botanical Pesticides, Northwest A&F University, Yangling 712100, Shaanxi Province, China
| | - Zhi-Qin Ji
- College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
- Shaanxi Province Key Laboratory Research & Development on Botanical Pesticides, Northwest A&F University, Yangling 712100, Shaanxi Province, China
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26
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Sharma D, Kumar M, Das P. Application of cyclohexane-1,3-diones for six-membered oxygen-containing heterocycles synthesis. Bioorg Chem 2020; 107:104559. [PMID: 33418315 DOI: 10.1016/j.bioorg.2020.104559] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/23/2020] [Accepted: 12/10/2020] [Indexed: 12/17/2022]
Abstract
Cyclohexan-1,3-dione derivatives are versatile scaffolds for the synthesis of a variety of value-added organic molecules including heterocycles and natural products. Six-membered oxygen heterocycles prepared from cyclohexan-1,3-diones are of much importance as they are intermediate for the synthesis of a number of natural products and several other valuable bioactive molecules which shows anti-viral, anti-bacterial, analgesic, antimalarial, anti-inflammatory, anti-allergic, anti-tumor and anti-cancer activities. These advantages have inspired us to write a detailed survey on the newly developed methods which are very essential in the construction of six-membered oxygen heterocycles. Further, the versatility in the chemistry of cyclohexan-1,3-dione and its derivatives is due to the presence of highly active methylene moiety and its active di-carbonyl groups. Recently, reactions of cyclohexane-1,3-dione and its derivatives with other substrates for instance aldehydes, malononitriles, NMSM, chalcones, isatin etc. have been established for the construction of a variety of six-membered oxygen heterocycles. The studies reported in this review article involved the synthesis of six-membered oxygen-containing heterocycles which includes 4H-chromen-5(6H)-one, 2H-xanthen-1(9H)-one, 2H-xanthen-1,8(5H,9H)-dione, 6H-chromen-2,5-dione derivatives and natural products having six-membered oxygen heterocycles from cyclohexane-1,3-dione and its derivatives as one of the substrate.
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Affiliation(s)
- Dharminder Sharma
- PG Department of Chemistry, JCDAV College Dasuya, Punjab 144205, India; Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, HP, India.
| | - Manish Kumar
- Department of Chemistry, Govt. College Seraj at Lambathach, Distt. Mandi, 175048 HP, India; Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, HP, India
| | - Pralay Das
- Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, HP, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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27
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Huang H, Wang MM, Shu L, Yan YL, Zhang JQ, Liu JM, Zhan XH, Zhang DY. Discovery of novel arylthioacetic acid derivatives as 4-hydroxyphenylpyruvate dioxygenase inhibitors. PEST MANAGEMENT SCIENCE 2020; 76:4112-4122. [PMID: 32578327 DOI: 10.1002/ps.5967] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/12/2020] [Accepted: 06/24/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND 4-Hydroxyphenylpyruvate dioxygenase (HPPD) plays an important role in addressing the issue of plant protection research. In a continuing effort to discover novel HPPD inhibitors, we adopted a bioisosterism strategy to design a series of novel arylthioacetic acid scaffold based on the previously discovered aryloxyacetic acid scaffold. This study sheds new light on the discovery of novel HPPD inhibitors. RESULTS The compounds A1-A30 and B1-B39 were prepared through an efficient synthetic route for in vitro and glasshouse experiments (herbicidal activities, herbicidal activity spectrum, and crop selectivity). Preliminary bioassay results reveal that these derivatives are promising Arabidopsis thaliana HPPD inhibitors, compounds A11 (Ki = 0.021 μmol L-1 ) and B20 (Ki = 0.022 μmol L-1 ), which exhibit similar activities to that of mesotrione (Ki = 0.020 μmol L-1 ). The glasshouse experiments data indicated that compounds B34 displayed excellent herbicidal activity, which was higher compared to that of mesotrione. Moreover, molecular simulation results show that the compounds B20, B34, and mesotrione shared similar interplay with surrounding residues, which led to a perfect interaction with the active site of Arabidopsis thaliana HPPD. Based on herbicidal results, compound B34 was selected for crop selectivity studies (corn injury ≤ 10%), indicating its potential for weed control in corn fields. CONCLUSION These bioassay results showed that the compound B34 could be used as a possible lead compound for the development of HPPD inhibitors. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Hao Huang
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Man-Man Wang
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Lei Shu
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Yi-Le Yan
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Jian-Qiu Zhang
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Jian-Min Liu
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Xiao-Hang Zhan
- School of Sciences, China Pharmaceutical University, Nanjing, China
| | - Da-Yong Zhang
- School of Sciences, China Pharmaceutical University, Nanjing, China
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28
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Zhang RB, Yu SY, Liang L, Ismail I, Wang DW, Li YH, Xu H, Wen X, Xi Z. Design, Synthesis, and Molecular Mechanism Studies of N-Phenylisoxazoline-thiadiazolo[3,4- a]pyridazine Hybrids as Protoporphyrinogen IX Oxidase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:13672-13684. [PMID: 33155804 DOI: 10.1021/acs.jafc.0c05955] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Protoporphyrinogen oxidase (PPO, EC 1.3.3.4) is an important target for green agrochemical discovery. Herein, a novel N-phenylisoxazoline-thiadiazolo[3,4-a]pyridazine herbicidal active scaffold was designed by the scaffold hybridization strategy. Systematic structural optimization enabled the discovery of a series of derivatives with excellent weed control at 9.375-150 g ai/ha by the post-emergent application. Some derivatives exhibited improved Nicotiana tabacum PPO (NtPPO)-inhibitory activity than fluthiacet-methyl. Of these, 2b, with Ki = 21.8 nM, displayed higher weed control than fluthiacet-methyl at the rate of 12-75 g ai/ha, and selective to maize at 75 g ai/ha. In planta, 2b was converted into a bioactive metabolite 5 (Ki = 4.6 nM), which exhibited 4.6-fold more potency than 2b in inhibiting the activity of NtPPO. Molecular dynamics simulation explained that 5 formed stronger π-π interaction with Phe392 than that of 2b. This work not only provides a promising lead compound for weed control in maize fields but is also helpful to understand the molecular mechanism and basis of the designed hybrids.
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Affiliation(s)
- Rui-Bo Zhang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Shu-Yi Yu
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Lu Liang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Ismail Ismail
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Da-Wei Wang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Yong-Hong Li
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Han Xu
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Xin Wen
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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29
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Fu Q, Kang SJ, Zhong LK, Chen J, Tan CX, Weng JQ, Xu TM, Liu XH. Synthesis and herbicidal activity of new pyrazole ketone derivatives. PHOSPHORUS SULFUR 2020. [DOI: 10.1080/10426507.2020.1828884] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Qing Fu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
- Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Sheng-Jie Kang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
- Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Liang-Kun Zhong
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
- Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Jie Chen
- School of Forestry & Biotechnology, Zhejiang A & F University, Hangzhou, China
| | - Cheng-Xia Tan
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Jian-Quan Weng
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Tian-Ming Xu
- Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Xing-Hai Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
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30
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Liu YX, Zhao LX, Ye T, Gao S, Li JZ, Ye F, Fu Y. Identification of key residues determining the binding specificity of human 4-hydroxyphenylpyruvate dioxygenase. Eur J Pharm Sci 2020; 154:105504. [PMID: 32750420 DOI: 10.1016/j.ejps.2020.105504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/12/2020] [Accepted: 07/31/2020] [Indexed: 11/29/2022]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) is the second enzyme of the tyrosine catabolic pathway. Its physiological function is to catalyze the conversion of 4-hydroxyphenylpyruvic acid to homogentisic acid, which displays different physiological effects in mammals and plants. Insights on the selective inhibition of human HPPD (hHPPD) by triketone inhibitors were furnished by the integrated application of molecular simulation and biological testing. The binding free energy of hHPPD and inhibitors was obtained through molecular dynamics (MD) simulations, and the result was in agreement with the inhibition experiment in vitro. The binding free energy contribution demonstrated that the formation of hHPPD-inhibitor complexes was mainly driven by van der Waals energy. Ser226, Asn241, Gln265, Phe336, Phe359 and Phe364 made great contributions to binding affinities of all the systems. Among the residues involved in the interaction between nitisinone (NTBC) and hHPPD, Tyr221 and Leu224, whose mutation into Ala caused significant decrease of NTBC binding ability, were two key residues in determining the selective binding affinity of inhibitor and hHPPD. This work provides valuable theoretical basis for rational design of highly selective inhibitors targeting hHPPD.
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Affiliation(s)
- Yong-Xuan Liu
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Li-Xia Zhao
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Tong Ye
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Shuang Gao
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Jia-Zhong Li
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Fei Ye
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, 150030, China.
| | - Ying Fu
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, 150030, China.
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31
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Berger M, Herszman JD, Kurimoto Y, de Kruijff GHM, Schüll A, Ruf S, Waldvogel SR. Metal-free electrochemical fluorodecarboxylation of aryloxyacetic acids to fluoromethyl aryl ethers. Chem Sci 2020; 11:6053-6057. [PMID: 34094098 PMCID: PMC8159297 DOI: 10.1039/d0sc02417a] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 05/24/2020] [Indexed: 11/21/2022] Open
Abstract
Electrochemical decarboxylation of aryloxyacetic acids followed by fluorination provides easy access to fluoromethyl aryl ethers. This electrochemical fluorodecarboxylation offers a sustainable approach with electric current as traceless oxidant. Using Et3N·5HF as fluoride source and as supporting electrolyte, this simple electrosynthesis affords various fluoromethoxyarenes in yields up to 85%.
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Affiliation(s)
- Michael Berger
- Department of Chemistry, Johannes Gutenberg University Duesbergweg 10-14 55128 Mainz Germany http://www.chemie.uni-mainz.de/OC/AK-Waldvogel/
| | - John D Herszman
- Department of Chemistry, Johannes Gutenberg University Duesbergweg 10-14 55128 Mainz Germany http://www.chemie.uni-mainz.de/OC/AK-Waldvogel/
| | - Yuji Kurimoto
- Department of Chemistry, Johannes Gutenberg University Duesbergweg 10-14 55128 Mainz Germany http://www.chemie.uni-mainz.de/OC/AK-Waldvogel/
- Graduate School of Natural Science and Technology, Okayama University 700-8530 Okayama Japan
| | - Goswinus H M de Kruijff
- Department of Chemistry, Johannes Gutenberg University Duesbergweg 10-14 55128 Mainz Germany http://www.chemie.uni-mainz.de/OC/AK-Waldvogel/
| | - Aaron Schüll
- Department of Chemistry, Johannes Gutenberg University Duesbergweg 10-14 55128 Mainz Germany http://www.chemie.uni-mainz.de/OC/AK-Waldvogel/
- Sanofi-Aventis Deutschland GmbH 65926 Frankfurt am Main Germany
| | - Sven Ruf
- Sanofi-Aventis Deutschland GmbH 65926 Frankfurt am Main Germany
| | - Siegfried R Waldvogel
- Department of Chemistry, Johannes Gutenberg University Duesbergweg 10-14 55128 Mainz Germany http://www.chemie.uni-mainz.de/OC/AK-Waldvogel/
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Fu Q, Cai PP, Cheng L, Zhong LK, Tan CX, Shen ZH, Han L, Xu TM, Liu XH. Synthesis and herbicidal activity of novel pyrazole aromatic ketone analogs as HPPD inhibitor. PEST MANAGEMENT SCIENCE 2020; 76:868-879. [PMID: 31429196 DOI: 10.1002/ps.5591] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 08/07/2019] [Accepted: 08/16/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND 4-Hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) has been a good target for herbicide discovery. In order to discover novel HPPD herbicides, a series of pyrazole aromatic ketone analogs were designed and synthesized. RESULTS The 25 pyrazole aromatic ketone analogs synthesized were tested for herbicidal activity and compounds A1, A3, A4, A17, A20 and A25 displayed excellent herbicidal activity against Chenopodium serotinum, Stellaria media and Brassica juncea at 37.5 g ha-1 . In addition, compounds A1, A5, A9, A10, A16, A17, A20 and A25 exhibited good crop selectivity for wheat, maize and rice at 150 g ha-1 . Inhibition activities against AtHPPD proved the compounds were HPPD inhibitors. The structure-activity relationship of these pyrazole aromatic ketone analogs was studied using molecular docking. CONCLUSION These pyrazole aromatic ketone derivatives could be used as lead structures for development of HPPD herbicides against dicotyledonous weeds with further structure modification. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Qing Fu
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
- Synthesis Centre, Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Peng-Peng Cai
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
- Synthesis Centre, Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Long Cheng
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
- Synthesis Centre, Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Liang-Kun Zhong
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
- Synthesis Centre, Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Cheng-Xia Tan
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Zhong-Hua Shen
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Liang Han
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Tian-Ming Xu
- Synthesis Centre, Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou, China
| | - Xing-Hai Liu
- Institute of Pesticide, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
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Wang MM, Huang H, Shu L, Liu JM, Zhang JQ, Yan YL, Zhang DY. Synthesis and herbicidal activities of aryloxyacetic acid derivatives as HPPD inhibitors. Beilstein J Org Chem 2020; 16:233-247. [PMID: 32180842 PMCID: PMC7059547 DOI: 10.3762/bjoc.16.25] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 02/07/2020] [Indexed: 12/19/2022] Open
Abstract
A series of aryloxyacetic acid derivatives were designed and synthesized as 4-hydoxyphenylpyruvate dioxygenase (HPPD) inhibitors. Preliminary bioassay results reveal that these derivatives are promising Arabidopsis thaliana HPPD (AtHPPD) inhibitors, in particular compounds I12 (Ki = 0.011 µM) and I23 (Ki = 0.012 µM), which exhibit similar activities to that of mesotrione, a commercial HPPD herbicide (Ki = 0.013 µM). Furthermore, the newly synthesized compounds show significant greenhouse herbicidal activities against tested weeds at dosages of 150 g ai/ha. In particular, II4 exhibited high herbicidal activity for pre-emergence treatment that was slightly better than that of mesotrione. In addition, compound II4 was safe for weed control in maize fields at a rate of 150 g ai/ha, and was identified as the most potent candidate for a novel HPPD inhibitor herbicide. The compounds described herein may provide useful guidance for the design of new HPPD inhibiting herbicides and their modification.
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Affiliation(s)
- Man-Man Wang
- School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Hao Huang
- School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Lei Shu
- School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Jian-Min Liu
- School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Jian-Qiu Zhang
- School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Yi-Le Yan
- School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Da-Yong Zhang
- School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
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Wang DW, Zhang RB, Yu SY, Liang L, Ismail I, Li YH, Xu H, Wen X, Xi Z. Discovery of Novel N-Isoxazolinylphenyltriazinones as Promising Protoporphyrinogen IX Oxidase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:12382-12392. [PMID: 31635461 DOI: 10.1021/acs.jafc.9b04844] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Protoporphyrinogen oxidase (PPO, EC 1.3.3.4) is a promising target for herbicide discovery. Search for new compounds with novel chemotypes is a key objective for agrochemists. Here, we describe the discovery and systematic SAR-based structure optimization of novel N-isoxazolinylphenyltriazinones 5-9 as PPO inhibitors. The in vivo herbicidal activity and in vitro Nicotiana tabacum PPO (NtPPO) inhibitory activity were explored in detail. A number of the new synthetic compounds displayed strong PPO inhibitory activity with Ki values in the nanomolar range. Some compounds exhibited excellent and broad-spectrum weed control at the rate of 9.375-37.5 g ai/ha by postemergence application and showed improved monocotyledonous weed control compared to saflufenacil. Most promisingly, ethyl 3-(2-chloro-5-(3,5-dimethyl-2,6-dioxo-4-thioxo-1,3,5-triazinan-1-yl)-4-fluorophenyl)-5-methyl-4,5-dihydroisoxazole-5-carboxylate, 5a, with a Ki value of 4.9 nM, displayed over 2- and 6-fold higher potency than saflufenacil (Ki = 10 nM) and trifludimoxazin (Ki = 31 nM), respectively. Moreover, 5a showed excellent and broad-spectrum weed control against 32 kinds of weeds at 37.5-75 g ai/ha. Rice exhibited relative tolerance to 5a at 150 g ai/ha by postemergence application, indicating that 5a could be a potential herbicide candidate for weed control in paddy fields.
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Affiliation(s)
- Da-Wei Wang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Rui-Bo Zhang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Shu-Yi Yu
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Lu Liang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Ismail Ismail
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Yong-Hong Li
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Han Xu
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Xin Wen
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
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Lei K, Li P, Yang XF, Wang SB, Wang XK, Hua XW, Sun B, Ji LS, Xu XH. Design and Synthesis of Novel 4-Hydroxyl-3-(2-phenoxyacetyl)-pyran-2-one Derivatives for Use as Herbicides and Evaluation of Their Mode of Action. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:10489-10497. [PMID: 31452371 DOI: 10.1021/acs.jafc.9b03109] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
In order to develop a novel herbicide containing the β-triketone motif, a series of 4-hydroxyl-3-(2-phenoxyacetyl)-pyran-2-one derivatives were designed and synthesized. The bioassay results showed that compound II15 had good pre-emergent herbicidal activity even at a dosage of 187.5 g ha-1. Moreover, compound II15 showed a broader spectrum of weed control when compared with a commercial herbicide 2,4-dichlorophenoxyacetic acid (2,4-D), and displayed good crop safety to Triticum aestivum L. and Zea mays Linn. when applied at 375 g ha-1 under pre-emergence conditions, which indicated its great potential as a herbicide. More importantly, studying the molecular mode of action of compound II15 revealed that the novel triketone structure is a proherbicide of its corresponding phenoxyacetic acid auxin herbicide, which has a herbicidal mechanism similar to that of 2,4-D. The present work indicates that the 4-hydroxyl-3-(2-phenoxyacetyl)-pyran-2-one motif may be a potential lead structure for further development of novel auxin-type herbicides.
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Affiliation(s)
- Kang Lei
- School of Pharmacy , Liaocheng University , Liaocheng 252059 , China
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , China
| | - Pan Li
- School of Pharmacy , Liaocheng University , Liaocheng 252059 , China
| | - Xue-Fang Yang
- College of Agriculture , Shanxi Agricultural University , Jinzhong , Shanxi 030800 , China
| | - Shi-Ben Wang
- School of Pharmacy , Liaocheng University , Liaocheng 252059 , China
| | - Xue-Kun Wang
- School of Pharmacy , Liaocheng University , Liaocheng 252059 , China
| | - Xue-Wen Hua
- School of Pharmacy , Liaocheng University , Liaocheng 252059 , China
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , China
| | - Bin Sun
- School of Pharmacy , Liaocheng University , Liaocheng 252059 , China
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , China
| | - Lu-Sha Ji
- School of Pharmacy , Liaocheng University , Liaocheng 252059 , China
| | - Xiao-Hua Xu
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , China
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Wang DW, Zhang RB, Ismail I, Xue ZY, Liang L, Yu SY, Wen X, Xi Z. Design, Herbicidal Activity, and QSAR Analysis of Cycloalka[ d]quinazoline-2,4-dione-Benzoxazinones as Protoporphyrinogen IX Oxidase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:9254-9264. [PMID: 31356740 DOI: 10.1021/acs.jafc.9b02996] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In continuation of our search for potent protoporphyrinogen IX oxidase (PPO, EC 1.3.3.4) inhibitors, we designed and synthesized a series of novel herbicidal cycloalka[d]quinazoline-2,4-dione-benzoxazinones. The bioassay results of these synthesized compounds indicated that most of the compounds exhibited very strong Nicotiana tabacum PPO (NtPPO) inhibition activity. More than half of the 37 synthesized compounds displayed over 80% control of all three tested broadleaf weeds at 37.5-150 g ai/ha by postemergent application, and a majority of them showed no phytotoxicity toward at least one kind of crop at 150 g ai/ha. Promisingly, 17i (Ki = 6.7 nM) was 6 and 4 times more potent than flumioxazin (Ki = 46 nM) and trifludimoxazin (Ki = 31 nM), respectively. Moreover, 17i displayed excellent, broad-spectrum herbicidal activity, even at levels as low as 37.5 g ai/ha, and it was determined to be safe for wheat at 150 g ai/ha in postemergent application, indicating the great potential for 17i development as a herbicide for weed control in wheat fields.
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Affiliation(s)
- Da-Wei Wang
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
| | - Rui-Bo Zhang
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
| | - Ismail Ismail
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
| | - Zhi-Yuan Xue
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
| | - Lu Liang
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
| | - Shu-Yi Yu
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
| | - Xin Wen
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry , Nankai University , Tianjin 300071 , PR China
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Fu Y, Liu YX, Yi KH, Li MQ, Li JZ, Ye F. Quantitative Structure Activity Relationship Studies and Molecular Dynamics Simulations of 2-(Aryloxyacetyl)cyclohexane-1,3-Diones Derivatives as 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors. Front Chem 2019; 7:556. [PMID: 31482084 PMCID: PMC6710436 DOI: 10.3389/fchem.2019.00556] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 07/22/2019] [Indexed: 11/17/2022] Open
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is a significant enzyme in the biosynthesis of plastoquinone and tocopherol. Moreover, it is also a potential target to develop new herbicide. The technology of computer-aided drug design (CADD) is a useful tool in the efficient discovery of new HPPD inhibitors. Forty-three compounds with known activities were used to generate comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) models based on common framework and molecular docking. The structural contribution to the activity was determined, which provided further information for the design of novel inhibitors. Molecular docking was used to explain the changes in activity caused by the binding mode between ligand and protein. The molecular dynamics (MD) results indicated that the electrostatic energy was the major driving force for ligand–protein interaction and the Phe403 made the greatest contribution to the binding. The present work has provided useful information for the rational design of novel HPPD inhibitors with improved activity.
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Affiliation(s)
- Ying Fu
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Yong-Xuan Liu
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Ke-Han Yi
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Ming-Qiang Li
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Jia-Zhong Li
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Fei Ye
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
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38
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Lin HY, Chen X, Chen JN, Wang DW, Wu FX, Lin SY, Zhan CG, Wu JW, Yang WC, Yang GF. Crystal Structure of 4-Hydroxyphenylpyruvate Dioxygenase in Complex with Substrate Reveals a New Starting Point for Herbicide Discovery. RESEARCH 2019; 2019:2602414. [PMID: 31549053 PMCID: PMC6750108 DOI: 10.34133/2019/2602414] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 06/10/2019] [Indexed: 01/09/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is a promising target for drug and pesticide discovery. The unknown binding mode of substrate is still a big challenge for the understanding of enzymatic reaction mechanism and novel HPPD inhibitor design. Herein, we determined the first crystal structure of Arabidopsis thaliana HPPD (AtHPPD) in complex with its natural substrate (HPPA) at a resolution of 2.80 Å. Then, combination of hybrid quantum mechanics/molecular mechanics (QM/MM) calculations confirmed that HPPA takes keto rather than enol form inside the HPPD active pocket. Subsequent site-directed mutagenesis and kinetic analysis further showed that residues (Phe424, Asn423, Glu394, Gln307, Asn282, and Ser267) played important roles in substrate binding and catalytic cycle. Structural comparison between HPPA-AtHPPD and holo-AtHPPD revealed that Gln293 underwent a remarkable rotation upon the HPPA binding and formed H-bond network of Ser267-Asn282-Gln307-Gln293, resulting in the transformation of HPPD from an inactive state to active state. Finally, taking the conformation change of Gln293 as a target, we proposed a new strategy of blocking the transformation of HPPD from inactive state to active state to design a novel inhibitor with Ki value of 24.10 nM towards AtHPPD. The inhibitor has entered into industry development as the first selective herbicide used for the weed control in sorghum field. The crystal structure of AtHPPD in complex with the inhibitor (2.40 Å) confirmed the rationality of the design strategy. We believe that the present work provides a new starting point for the understanding of enzymatic reaction mechanism and the design of next generation HPPD inhibitors.
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Affiliation(s)
- Hong-Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China.,MOE Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xi Chen
- College of Chemistry and Material Science, South-Central University for Nationalities, Wuhan 430074, China
| | - Jia-Nan Chen
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Da-Wei Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Feng-Xu Wu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Song-Yun Lin
- MOE Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Chang-Guo Zhan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 South Limestone Street, Lexington, KY 40536, USA
| | - Jia-Wei Wu
- MOE Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China.,Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 30071, China
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Naveed M, Tehreem S, Mehboob MZ. In-Silico analysis of missense SNPs in Human HPPD gene associated with Tyrosinemia type III and Hawkinsinuria. Comput Biol Chem 2019; 80:284-291. [DOI: 10.1016/j.compbiolchem.2019.04.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 04/14/2019] [Accepted: 04/18/2019] [Indexed: 11/24/2022]
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Ndikuryayo F, Kang WM, Wu FX, Yang WC, Yang GF. Hydrophobicity-oriented drug design (HODD) of new human 4-hydroxyphenylpyruvate dioxygenase inhibitors. Eur J Med Chem 2019; 166:22-31. [DOI: 10.1016/j.ejmech.2019.01.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 01/13/2019] [Accepted: 01/13/2019] [Indexed: 02/01/2023]
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41
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Lin H, Yang J, Wang D, Hao G, Dong J, Wang Y, Yang W, Wu J, Zhan C, Yang G. Molecular insights into the mechanism of 4‐hydroxyphenylpyruvate dioxygenase inhibition: enzyme kinetics, X‐ray crystallography and computational simulations. FEBS J 2019; 286:975-990. [DOI: 10.1111/febs.14747] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/29/2018] [Accepted: 01/09/2019] [Indexed: 02/03/2023]
Affiliation(s)
- Hong‐Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Jing‐Fang Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Da‐Wei Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Ge‐Fei Hao
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Jiang‐Qing Dong
- MOE Key Laboratory of Protein Sciences Tsinghua‐Peking Center for Life Sciences School of Life Sciences Tsinghua University Beijing China
| | - Yu‐Xia Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Wen‐Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Jia‐Wei Wu
- MOE Key Laboratory of Protein Sciences Tsinghua‐Peking Center for Life Sciences School of Life Sciences Tsinghua University Beijing China
| | - Chang‐Guo Zhan
- Department of Pharmaceutical Sciences College of Pharmacy University of Kentucky Lexington KY USA
| | - Guang‐Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin China
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Fu Y, Wang K, Wang P, Kang JX, Gao S, Zhao LX, Ye F. Design, Synthesis, and Herbicidal Activity Evaluation of Novel Aryl-Naphthyl Methanone Derivatives. Front Chem 2019; 7:2. [PMID: 30723715 PMCID: PMC6349756 DOI: 10.3389/fchem.2019.00002] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 01/03/2019] [Indexed: 01/26/2023] Open
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is one of the most vital targets for herbicides discovery. In search for HPPD inhibitors with novel scaffolds, a series of aryl-naphthyl methanone derivatives have been designed and synthesized through alkylation and Friedel-Crafts acylation reactions. The bioassay indicated some of these compounds displayed preferable herbicidal activity at the rate of 0.75 mmol/m2 by post-emergence application, in which compound 3h displayed the best herbicidal activity. The molecular docking showed that compound 3h could bind well to the active site of the AtHPPD. This study shows that aryl-naphthyl methanone derivatives could be a potential lead structure for further development of novel herbicides.
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Affiliation(s)
- Ying Fu
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Kui Wang
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Peng Wang
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Jing-Xin Kang
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Shuang Gao
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Li-Xia Zhao
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Fei Ye
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
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Zhu YJ, Wu QF, Fan ZJ, Huo JQ, Zhang JL, Zhao B, Lai C, Qian XL, Ma DJ, Wang DW. Synthesis, bioactivity and mode of action of 5 A 5 B 6 C tricyclic spirolactones as novel antiviral lead compounds. PEST MANAGEMENT SCIENCE 2019; 75:292-301. [PMID: 29885056 DOI: 10.1002/ps.5115] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 05/16/2018] [Accepted: 06/04/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Plant viral diseases cause tremendous decreases in yield and quality. Natural polycyclic compounds such as those containing carbocycles are often very important lead compounds for drug and pesticide development. Tricyclic spiranoid lactones with 5A 5B 6C -ring fusion topologies possess various bioactivities. In this study, 33 new 5A 5B 6C tricyclic spirolactones were rationally designed, synthesized, characterized and evaluated for antiviral activities. RESULT These compounds showed no apparent toxicity against Italian honeybees up to 2.73 µg bee-1 . Spirolactones 14, 16, 19, 23 and 28 at a concentration of 100 µg mL-1 inactivated 90% of tobacco mosaic virus (TMV) infection, making these compounds much more potent than the positive controls. Significantly, compound 19 displayed the best inactivation activity causing inhibition of up to 98%. CONCLUSION The results of the bioassays and QSAR studies indicated that the carbon-containing cyclic moiety was the antiviral pharmacophore, and derivative 19, which showed the best inactivation activity, could emerge as a potential antiviral agent against TMV. In vitro capsid protein (CP) assembly and TMV assembly inhibition determinations indicated that these compounds induced crosslinking in the TMV and prevented its uncoating, which was a putative new mode of action for TMV inactivation. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Yu-Jie Zhu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Qi-Fan Wu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Zhi-Jin Fan
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, P. R. China
| | - Jing-Qian Huo
- College of Plant Protection, Agricultural University of Hebei, Baoding, P. R. China
| | - Jin-Lin Zhang
- College of Plant Protection, Agricultural University of Hebei, Baoding, P. R. China
| | - Bin Zhao
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Chen Lai
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Xiao-Lin Qian
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - De-Jun Ma
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Da-Wei Wang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, P. R. China
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Li KJ, Qu RY, Liu YC, Yang JF, Devendar P, Chen Q, Niu CW, Xi Z, Yang GF. Design, Synthesis, and Herbicidal Activity of Pyrimidine-Biphenyl Hybrids as Novel Acetohydroxyacid Synthase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:3773-3782. [PMID: 29618205 DOI: 10.1021/acs.jafc.8b00665] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The issue of weed resistance to acetohydroxyacid synthase (EC 2.2.1.6, AHAS) inhibitors has become one of the largest obstacles for the application of this class of herbicides. In a continuing effort to discover novel AHAS inhibitors to overcome weed resistance, a series of pyrimidine-biphenyl hybrids (4aa-bb and 5aa-ah) were designed and synthesized via a scaffold hopping strategy. Among these derivatives, compounds 4aa ( Ki = 0.09 μM) and 4bb ( Ki = 0.02 μM) displayed higher inhibitory activities against Arabidopsis thaliana AHAS than those of the controls bispyribac ( Ki = 0.54 μM) and flumetsulam ( Ki = 0.38 μM). Remarkably, compounds 4aa, 4bb, 5ah, and 5ag exhibited excellent postemergence herbicidal activity and a broad spectrum of weed control at application rates of 37.5-150 g of active ingredient (ai)/ha. Furthermore, 4aa and 4bb showed higher herbicidal activity against AHAS inhibitor-resistant Descurainia sophia, Ammannia arenaria, and the corresponding sensitive weeds than that of bispyribac at 0.94-0.235 g ai/ha. Therefore, the pyrimidine-biphenyl motif and lead compounds 4aa and 4bb have great potential for the discovery of novel AHAS inhibitors to combat AHAS-inhibiting herbicide-resistant weeds.
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Affiliation(s)
- Ke-Jian Li
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry , Central China Normal University (CCNU) , Wuhan 430079 , P.R. China
| | - Ren-Yu Qu
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry , Central China Normal University (CCNU) , Wuhan 430079 , P.R. China
| | - Yu-Chao Liu
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry , Central China Normal University (CCNU) , Wuhan 430079 , P.R. China
| | - Jing-Fang Yang
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry , Central China Normal University (CCNU) , Wuhan 430079 , P.R. China
| | - Ponnam Devendar
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry , Central China Normal University (CCNU) , Wuhan 430079 , P.R. China
| | - Qiong Chen
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry , Central China Normal University (CCNU) , Wuhan 430079 , P.R. China
| | - Cong-Wei Niu
- State Key Laboratory of Elemento-Organic Chemistry , Nankai University (NKU) , Tianjin 300071 , P.R. China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry , Nankai University (NKU) , Tianjin 300071 , P.R. China
- Collaborative Innovation Center of Chemical Science and Engineering , Tianjin 30071 , P.R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry , Central China Normal University (CCNU) , Wuhan 430079 , P.R. China
- Collaborative Innovation Center of Chemical Science and Engineering , Tianjin 30071 , P.R. China
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45
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Li HB, Li L, Li JX, Han TF, He JL, Zhu YQ. Novel HPPD inhibitors: triketone 2H-benzo[b][1,4]oxazin-3(4H)-one analogs. PEST MANAGEMENT SCIENCE 2018; 74:579-589. [PMID: 28941309 DOI: 10.1002/ps.4739] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Revised: 09/13/2017] [Accepted: 09/15/2017] [Indexed: 05/24/2023]
Abstract
BACKGROUND Herbicides that inhibit 4-hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) are very important for grass weed control. In order to discover novel HPPD herbicides, a series of triketone 2H-benzo[b] oxazin-3(4H)-one analogs was designed and synthesized. RESULTS In comparison with the commercial triketone HPPD herbicide mesotrione (IC50 = 0.252 μM), some of these new triketone analogs displayed excellent HPPD inhibitory potency in vitro, for example B39 (IC50 = 0.172 μM) and B41 (IC50 = 0.156 μM). In addition, some of these compounds exhibited pre- and post-emergence herbicidal activity similar to mesotrione when applied at 375 g/ha. CONCLUSION Many of the title compounds described in this paper could be important lead structures for the further development of novel HPPD herbicides. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Hua-Bin Li
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
- National Pesticide Engineering Research Center (Tianjin), College of Chemistry, Nankai University, Tianjin, China
| | - Lei Li
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Jun-Xian Li
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Ting-Feng Han
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Jing-Li He
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - You-Quan Zhu
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
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46
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Fu Y, Sun YN, Yi KH, Li MQ, Cao HF, Li JZ, Ye F. Combination of Virtual Screening Protocol by in Silico toward the Discovery of Novel 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors. Front Chem 2018; 6:14. [PMID: 29468151 PMCID: PMC5807903 DOI: 10.3389/fchem.2018.00014] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 01/18/2018] [Indexed: 11/13/2022] Open
Abstract
4-Hydroxyphenylpyruvate dioxygenase (EC 1.13.11.27, HPPD) is a potent new bleaching herbicide target. Therefore, in silico structure-based virtual screening was performed in order to speed up the identification of promising HPPD inhibitors. In this study, an integrated virtual screening protocol by combining 3D-pharmacophore model, molecular docking and molecular dynamics (MD) simulation was established to find novel HPPD inhibitors from four commercial databases. 3D-pharmacophore Hypo1 model was applied to efficiently narrow potential hits. The hit compounds were subsequently submitted to molecular docking studies, showing four compounds as potent inhibitor with the mechanism of the Fe(II) coordination and interaction with Phe360, Phe403, and Phe398. MD result demonstrated that nonpolar term of compound 3881 made great contributions to binding affinities. It showed an IC50 being 2.49 μM against AtHPPD in vitro. The results provided useful information for developing novel HPPD inhibitors, leading to further understanding of the interaction mechanism of HPPD inhibitors.
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Affiliation(s)
- Ying Fu
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Yi-Na Sun
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Ke-Han Yi
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Ming-Qiang Li
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Hai-Feng Cao
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
| | - Jia-Zhong Li
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Fei Ye
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin, China
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Yang XF, Lei K, Kong CH, Xu XH. Effect of allelochemical tricin and its related benzothiazine derivative on photosynthetic performance of herbicide-resistant barnyardgrass. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2017; 143:224-230. [PMID: 29183596 DOI: 10.1016/j.pestbp.2017.08.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Revised: 07/31/2017] [Accepted: 08/07/2017] [Indexed: 05/25/2023]
Abstract
Despite increasing knowledge of allelochemicals as leads for new herbicides, relatively little is known about the mode of action of allelochemical-based herbicides on herbicide-resistant weeds. In this study, herbicidal activities of a series of allelochemical tricin-derived compounds were evaluated. Subsequently, a benzothiazine derivative 3-(2-chloro-4-methanesulfonyl)-benzoyl-hydroxy-2-methyl-2H-1,2-benzothiazine-1,1-dioxide with 4-hydroxyphenyl-pyruvate dioxygenase (HPPD) inhibiting activity was identified as a target compound on photosynthetic performance of penoxsulam-resistant versus -susceptible barnyardgrass (Echinochloa crus-galli). Regardless of barnyardgrass biotype, the benzothiazine derivative greatly affected chlorophyll fluorescence parameters (Fv/Fm, ETR1min and NPQ1min), reduced the chloroplast fluorescence levels and expression of HPPD gene. In particular, the benzothiazine derivative interfered with photosynthetic performance of resistant barnyardgrass more effectively than the allelochemical tricin itself. These results showed that the benzothiazine derivative effectively inhibited the growth of resistant barnyardgrass and its mode of action on photosynthesis system was similar to HPPD-inhibiting sulcotrione, making it an ideal lead compound for further development of allelochemical-based herbicide discovery.
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Affiliation(s)
- Xue-Fang Yang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Kang Lei
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, China; State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Chui-Hua Kong
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China.
| | - Xiao-Hua Xu
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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48
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Ndikuryayo F, Moosavi B, Yang WC, Yang GF. 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors: From Chemical Biology to Agrochemicals. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:8523-8537. [PMID: 28903556 DOI: 10.1021/acs.jafc.7b03851] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The development of new herbicides is receiving considerable attention to control weed biotypes resistant to current herbicides. Consequently, new enzymes are always desired as targets for herbicide discovery. 4-Hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) is an enzyme engaged in photosynthetic activity and catalyzes the transformation of 4-hydroxyphenylpyruvic acid (HPPA) into homogentisic acid (HGA). HPPD inhibitors constitute a promising area of discovery and development of innovative herbicides with some advantages, including excellent crop selectivity, low application rates, and broad-spectrum weed control. HPPD inhibitors have been investigated for agrochemical interests, and some of them have already been commercialized as herbicides. In this review, we mainly focus on the chemical biology of HPPD, discovery of new potential inhibitors, and strategies for engineering transgenic crops resistant to current HPPD-inhibiting herbicides. The conclusion raises some relevant gaps for future research directions.
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Affiliation(s)
- Ferdinand Ndikuryayo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
| | - Behrooz Moosavi
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering , Tianjin 30071, P. R. China
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Li H, Liu C, Guan A, Wang Z, Ma H, Cui D. Synthesis and biological activity of benzoylcyclohexanedione herbicide SYP-9121. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2017; 142:155-160. [PMID: 29107240 DOI: 10.1016/j.pestbp.2017.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 06/26/2017] [Accepted: 07/07/2017] [Indexed: 06/07/2023]
Abstract
Benzoylcyclohexanedione herbicides work by inhibiting 4-hydroxyphenylpyruvate dioxygenase which was the last new target site introduced for herbicides. In an attempt to find new 4-hydroxyphenylpyruvate dioxygenase inhibitors with high efficacy and selectivity, a novel benzoylcyclohexanedione compound SYP-9121 was synthesized and studied in greenhouse and field. In the greenhouse, SYP-9121 showed broad spectrum herbicidal activity and good safety to maize. Its control of barnyard grass, crabgrass, redroot pigweed, purslane, dayflower and night shade was equivalent to that of the commercial herbicide mesotrione. Three field trials in summer maize showed that SYP-9121 could efficiently control both grass and broadleaf weeds with good selectivity. Herbicidal activity of SYP-9121 was comparable to that of mesotrione.
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Affiliation(s)
- Huichao Li
- State Key Laboratory of the Discovery and Development of Novel Pesticide, Shenyang Sinochem Agrochemicals R&D Co. Ltd., Shenyang, Liaoning 110021, People's Republic of China
| | - Changling Liu
- State Key Laboratory of the Discovery and Development of Novel Pesticide, Shenyang Sinochem Agrochemicals R&D Co. Ltd., Shenyang, Liaoning 110021, People's Republic of China.
| | - Aiying Guan
- State Key Laboratory of the Discovery and Development of Novel Pesticide, Shenyang Sinochem Agrochemicals R&D Co. Ltd., Shenyang, Liaoning 110021, People's Republic of China
| | - Zhenghang Wang
- State Key Laboratory of the Discovery and Development of Novel Pesticide, Shenyang Sinochem Agrochemicals R&D Co. Ltd., Shenyang, Liaoning 110021, People's Republic of China
| | - Hongjuan Ma
- State Key Laboratory of the Discovery and Development of Novel Pesticide, Shenyang Sinochem Agrochemicals R&D Co. Ltd., Shenyang, Liaoning 110021, People's Republic of China
| | - Dongliang Cui
- State Key Laboratory of the Discovery and Development of Novel Pesticide, Shenyang Sinochem Agrochemicals R&D Co. Ltd., Shenyang, Liaoning 110021, People's Republic of China
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50
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Wang DW, Li Q, Wen K, Ismail I, Liu DD, Niu CW, Wen X, Yang GF, Xi Z. Synthesis and Herbicidal Activity of Pyrido[2,3-d]pyrimidine-2,4-dione-Benzoxazinone Hybrids as Protoporphyrinogen Oxidase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:5278-5286. [PMID: 28616976 DOI: 10.1021/acs.jafc.7b01990] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
To search for new protoporphyrinogen oxidase (PPO, EC 1.3.3.4) inhibitors with improved bioactivity, a series of novel pyrido[2,3-d]pyrimidine-2,4-dione-benzoxazinone hybrids, 9-13, were designed and synthesized. Several compounds with improved tobacco PPO (mtPPO)-inhibiting and promising herbicidal activities were found. Among them, the most potent compound, 3-(7-fluoro-3-oxo-4-(prop-2-yn-1-yl)-3,4-dihydro-2H-benzo[b][1,4] oxazin-6-yl)-1-methylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione, 11q, with a Ki value of 0.0074 μM, showed six times more activity than flumioxazin (Ki = 0.046 μM) against mtPPO. Compound 11q displayed a strong and broad spectrum of weed control at 37.5-150 g of active ingredient (ai)/ha by both post- and pre-emergence application, which was comparable to that of flumioxazin. 11q was safe to maize, soybean, peanut, and cotton at 150 g ai/ha, and selective to rice and wheat at 75 g ai/ha by pre-emergence application, indicating potential applicability in these fields.
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Affiliation(s)
- Da-Wei Wang
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
| | - Qian Li
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
| | - Kai Wen
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
| | - Ismail Ismail
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
| | - Dan-Dan Liu
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
| | - Cong-Wei Niu
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
| | - Xin Wen
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry, and Department of Chemical Biology, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Tianjin 300071, P. R. China
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