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Wang Z, Guo T, Zhou Y, Zhang J, Zhang Z, Zhu J, Qian H, Liu H, Wu W, Zhang J. Synthesis, and Insecticidal Activities of Propargyloxy-Diphenyl Oxide-Sulfonamide Derivatives. Chem Biodivers 2024; 21:e202400206. [PMID: 38380820 DOI: 10.1002/cbdv.202400206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/19/2024] [Accepted: 02/19/2024] [Indexed: 02/22/2024]
Abstract
Agricultural pests are the primary contributing factor to crop yield reduction, particularly in underdeveloped regions. Despite the significant efficacy of pesticides in pest control, their extensive use has led to the drug-fast of insecticide resistance. Developing of new environmentally friendly plant-based pesticides is an urgent necessity. In this study, a series of diaryl ether compounds containing propargyloxy and sulfonamide groups were designed. The synthesis of these 36 compounds primarily relied on nuclear magnetic resonance for structure determination, while single-crystal X-ray diffraction was employed for certain compounds. Meanwhile, the insecticidal activities against Mythimna separata were also assessed. Some of the compounds exhibited significantly enhanced activity, the LC50 value of the highest activity compound TD8 (0.231 mg/mL) demonstrating respective increases by 100-fold compared to the plant pesticide celangulin V (23.9 mg/mL), and a 5-fold increase with the positive control L-1 (1.261 mg/mL). The interaction between the target compound and the target, as well as the consistency of the target, were verified through symptomological analysis and molecular docking. The structure-activity relationships were also conducted. This study offered a novel trajectory for the advancement and formulation of future pesticides.
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Affiliation(s)
- Ziyu Wang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Tao Guo
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Yu Zhou
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Jinyu Zhang
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Ziwei Zhang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Jianjun Zhu
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Hao Qian
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Hongxiang Liu
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Wenjun Wu
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
| | - Jiwen Zhang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, P. R. China
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2
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Sun NB, Min LJ, Sun XP, Zhai ZW, Bajsa-Hirschel J, Wei ZC, Hua XW, Cantrell CL, Xu H, Duke SO, Liu XH. Novel Pyrazole Acyl(thio)urea Derivatives Containing a Biphenyl Scaffold as Potential Succinate Dehydrogenase Inhibitors: Design, Synthesis, Fungicidal Activity, and SAR. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:2512-2525. [PMID: 38286814 DOI: 10.1021/acs.jafc.3c07735] [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: 01/31/2024]
Abstract
As part of a program to discover novel succinate dehydrogenase inhibitor fungicides, a series of new pyrazole acyl(thio)urea compounds containing a diphenyl motif were designed and synthesized. Their structures were confirmed by 1H NMR, HRMS, and single X-ray crystal diffraction analysis. Most of these compounds possessed excellent activity against 10 fungal plant pathogens at 50 μg mL-1, especially against Rhizoctonia solani, Alternaria solani, Sclerotinia sclerotiorum, Botrytis cinerea, and Cercospora arachidicola. Interestingly, compounds 3-(difluoromethyl)-1-methyl-N-((3',4',5'-trifluoro-[1,1'-biphenyl]-2-yl)carbamoyl)-1H-pyrazole-4-carboxamide (9b, EC50 = 0.97 ± 0.18 μg mL-1), 1,3-dimethyl-N-((3',4',5'-trifluoro-[1,1'-biphenyl]-2-yl)carbamoyl)-1H-pyrazole-4-carboxamide (9a, EC50 = 2.63 ± 0.41 μg mL-1), and N-((4'-chloro-[1,1'-biphenyl]-2-yl)carbamoyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide (9g, EC50 = 1.31 ± 0.15 μg mL-1) exhibited activities against S. sclerotiorum that were better than the commercial fungicide bixafen (EC50 = 9.15 ± 0.05 μg mL-1) and similar to the positive control fluxapyroxad (EC50 = 0.71 ± 0.11 μg mL-1). These compounds were not significantly phytotoxic to monocotyledonous and dicotyledonous plants. Structure-activity relationships (SAR) are discussed by substituent effects/molecular docking, and density functional theory analysis indicated that these compounds are succinate dehydrogenase inhibitors.
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Affiliation(s)
- Na-Bo Sun
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, 310015 Zhejiang China
| | - Li-Jing Min
- College of Life Science, Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou University, Huzhou, Zhejiang 313000, China
| | - Xin-Peng Sun
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, 310015 Zhejiang China
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zhi-Wen Zhai
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Joanna Bajsa-Hirschel
- Natural Products Utilization Research Unit, United States Department of Agriculture, Agricultural Research Service, University, Mississippi 38677, United States
| | - Zhe-Cheng Wei
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Xue-Wen Hua
- College of Agriculture, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Charles L Cantrell
- Natural Products Utilization Research Unit, United States Department of Agriculture, Agricultural Research Service, University, Mississippi 38677, United States
| | - Hao Xu
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, 310015 Zhejiang China
| | - Stephen O Duke
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Xing-Hai Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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3
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Pan N, Wang H, An J, Liu C, Chen H, Fei Q, Li P, Wu W. Discovery of Novel Compounds for Combating Rising Severity of Plant Diseases Caused by Fungi and Viruses. ACS OMEGA 2024; 9:1424-1435. [PMID: 38222640 PMCID: PMC10785787 DOI: 10.1021/acsomega.3c07820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/16/2024]
Abstract
In recent years, the severity of plant diseases caused by plant pathogenic fungi and viruses has been on the rise. However, there is a limited availability of pesticide chemicals in the market for effectively controlling both fungal and viral infections. To solve this problem, a series of novel pyrimidine derivatives containing a 1,3,4-oxadiazole thioether fragment were synthesized. Among them, compound 6s exhibited remarkable in vivo protection activity against tobacco mosaic virus, demonstrating the superior 50% effective concentration (EC50) value of 0.42 μM, outperforming ningnanmycin (0.60 μM). Meanwhile, compound 6s exhibited remarkable antifungal activity against Botrytis cinerea Pers. in postharvest blueberry in vitro, with an EC50 value of 0.011 μM, surpassing the inhibition rate of Pyrimethanil (0.262 μM). Additionally, compound 6s also demonstrated remarkable curative and protection activities against blueberry fruit gray mold in vivo, with control efficiencies of 54.2 and 60.4% at 200 μg/mL concentration, respectively, which were comparable to those of Pyrimethanil (49.3 and 63.9%, respectively). Scanning electron microscopy showed that the compound 6s-treated hyphae of B. cinerea Pers. in postharvest blueberry became abnormally collapsed and shriveled. Furthermore, the molecular docking simulation demonstrated that compound 6s formed hydrogen bonds with SER-17, ARG-43, and SER-39 of succinate dehydrogenase (SDH), providing a possible explanation for the mechanism of action between the target compounds and SDH. This study represents the first report on the antiviral and antifungal activities of novel pyrimidine derivatives containing a 1,3,4-oxadiazole thioether fragment.
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Affiliation(s)
- Nianjuan Pan
- School
of Food Science and Engineering, Guiyang
University, Guiyang 550005, China
| | - Hui Wang
- School
of Food Science and Engineering, Guiyang
University, Guiyang 550005, China
| | - Jiansong An
- School
of Food Science and Engineering, Guiyang
University, Guiyang 550005, China
| | - Chunyi Liu
- School
of Food Science and Engineering, Guiyang
University, Guiyang 550005, China
| | - Haijiang Chen
- School
of Food Science and Engineering, Guiyang
University, Guiyang 550005, China
| | - Qiang Fei
- School
of Food Science and Engineering, Guiyang
University, Guiyang 550005, China
| | - Pei Li
- Qiandongnan
Engineering and Technology Research Center for Comprehensive Utilization
of National Medicine, Kaili University, Kaili 556011, China
| | - Wenneng Wu
- School
of Food Science and Engineering, Guiyang
University, Guiyang 550005, China
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4
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Zhong LK, Sun XP, Han L, Tan CX, Weng JQ, Xu TM, Shi JJ, Liu XH. Design, Synthesis, Insecticidal Activity, and SAR of Aryl Isoxazoline Derivatives Containing Pyrazole-5-carboxamide Motif. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14458-14470. [PMID: 37782011 DOI: 10.1021/acs.jafc.3c01608] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
It is important to develop new insecticides with a new mode of action because of increasing pesticide resistance. In this study, a series of novel aryl isoxazoline derivatives containing the pyrazole-5-carboxamide motif were designed and synthesized. Their structures were confirmed by 1H NMR, 13C NMR, and HRMS. Bioassays indicated that the 24 compounds synthesized possessed excellent insecticidal activity against Mythimna separate and no activity against Aphis craccivora and Tetranychus cinnabarinus. Among these aryl isoxazoline derivatives, 3-(5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydrozol-3-yl)-N-(4-fluorophenyl)-1-methyl-1H-pyrazole-5-carboxamide (IA-8) had the best insecticidal activity against M. separate, which is comparable with the positive control fluralaner. The molecular docking results of compound IA-8 and fluralaner with the GABA model demonstrated the same docking mode between compound IA-8 and positive control fluralaner in the active site of GABA. Molecular structure comparisons and ADMET analysis can potentially be used to design more active compounds. The structure-activity relationships are also discussed. This work provided an excellent insecticide for further optimization.
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Affiliation(s)
- Liang-Kun Zhong
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
- Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou 310023, China
| | - Xin-Peng Sun
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Liang Han
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Cheng-Xia Tan
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jian-Quan Weng
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Tian-Ming Xu
- Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou 310023, China
| | - Jian-Jun Shi
- College of Chemistry & Chemical Engineering, Huangshan University, Huangshan 245041, China
| | - Xing-Hai Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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5
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Zhong L, Wu C, Li M, Wu J, Chen Y, Ju Z, Tan C. 1,2,4-Oxadiazole as a potential scaffold in agrochemistry: a review. Org Biomol Chem 2023; 21:7511-7524. [PMID: 37671568 DOI: 10.1039/d3ob00934c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
N,O-containing heterocycles have been incorporated into various approved pesticides and pesticide candidates. The persistent challenge in contemporary crop protection lies in the continuous pursuit of novel N,O-heterocycle-containing compounds with pesticidal properties. Among them, the 1,2,4-oxadiazole scaffold is one of the most extensively explored heterocycles in new pesticide discovery and development. This review focuses on elucidating the molecular design strategy employed along with highlighting the bioactivity of 1,2,4-oxadiazole derivatives since 2012. Throughout this time frame, tioxazafen and flufenoxadiazam have emerged as prominent examples in which 1,2,4-oxadiazole derivatives were utilized as the core active structure within numerous applications. Additionally, the preparation methods for substituted 1,2,4-oxadiazole derivatives are elaborated upon, and their potential value within agrochemistry is discussed.
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Affiliation(s)
- Liangkun Zhong
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Changyuan Wu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Mimi Li
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Junhui Wu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Yang Chen
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Zhiran Ju
- Institute of Pharmaceutical Science and Technology, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Chengxia Tan
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
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6
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Wei ZC, Wang Q, Min LJ, Bajsa-Hirschel J, Cantrell CL, Han L, Tan CX, Weng JQ, Li YX, Sun NB, Duke SO, Liu XH. Synthesis and Pesticidal Activity of New Niacinamide Derivatives Containing a Flexible, Chiral Chain. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010047. [PMID: 36615249 PMCID: PMC9822348 DOI: 10.3390/molecules28010047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
Natural products are a source for pesticide or drug discovery. In order to discover lead compounds with high fungicidal or herbicidal activity, new niacinamide derivatives derived from the natural product niacinamide, containing chiral flexible chains, were designed and synthesized. Their structures were confirmed by 1H NMR, 13C NMR and HRMS analysis. The fungicidal and herbicidal activities of these compounds were tested. The fungicidal activity results demonstrated that the compound (S)-2-(2-chloronicotinamido)propyl-2-methylbenzoate (3i) exhibited good fungicidal activity (92.3% inhibition) against the plant pathogen Botryosphaeria berengriana at 50 μg/mL and with an EC50 of 6.68 ± 0.72 μg/mL, which is the same as the positive control (fluxapyroxad). Compound 3i was not phytotoxic and could therefore be used as a fungicide on crops. Structure-activity relationships (SAR) were studied by molecular docking simulations with the succinate dehydrogenase of the fungal mitochondrial respiratory chain.
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Affiliation(s)
- Zhe-Cheng Wei
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qiao Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Li-Jing Min
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Science, Huzhou University, Huzhou 313000, China
| | - Joanna Bajsa-Hirschel
- Natural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Oxford, MS 38677, USA
| | - Charles L. Cantrell
- Natural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Oxford, MS 38677, USA
| | - Liang Han
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Cheng-Xia Tan
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jian-Quan Weng
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yu-Xin Li
- State Key Laboratory of Elemento-Organic Chemistry, Department of Chemistry, Nankai University, Tianjin 300071, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha 430081, China
| | - Na-Bo Sun
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
- Correspondence: (N.-B.S.); (S.O.D.); (X.-H.L.)
| | - Stephen O. Duke
- National Center for Natural Product Research, School of Pharmacy, University of Mississippi, Oxford, MS 38677, USA
- Correspondence: (N.-B.S.); (S.O.D.); (X.-H.L.)
| | - Xing-Hai Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
- Correspondence: (N.-B.S.); (S.O.D.); (X.-H.L.)
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7
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Sun XP, Yu W, Min LJ, Han L, Sun NB, Liu XH. Synthesis, Crystal Structure and Antifungal Activities of New Quinoline Derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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8
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Yao MM, Chen WT, Min LJ, Han L, Sun NB, Liu XH. Synthesis, crystal structure and fungicidal activities of 3-(Trifluoromethyl)-Pyrazole-4-carboxylic oxime ester derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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9
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Shi HB, Zhai ZW, Min LJ, Han L, Sun NB, Cantrell CL, Bajsa-Hirschel J, Duke SO, Liu XH. Synthesis and pesticidal activity of new 1,3,4-oxadiazole thioether compounds containing a trifluoromethylpyrazoyl moiety. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [PMCID: PMC9486790 DOI: 10.1007/s11164-022-04839-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
In order to find new lead compounds with high pesticidal activity, a series of 1,3,4-oxadiazole thioether compounds (5 series) were designed by using penthiopyrad as a synthon. They were synthesized easily via five steps by using ethyl 4,4,4-trifluoro-3-oxobutanoate and triethyl orthoformate as starting materials. The synthesized compounds were characterized by 1H NMR, 13C NMR and HRMS. The compound 2-(benzylthio)-5-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)-1,3,4-oxadiazole (5a) was further determined by X-ray single-crystal diffraction. It crystallized in the monoclinic system, space group P21/c, Z = 4. All the 1,3,4-oxadiazole thioether derivatives were screened for fungicidal activity against ten fungi and herbicidal activity against two weeds. The bioassay results indicated that some of the synthesized 1,3,4-oxadiazole compounds exhibited good fungicidal activity (> 50% inhibition) against the plant pathogens Sclerotinia sclerotiorum and Rhizoctonia solani at 50 μg/mL. Some of them exhibited certain herbicidal activity, and compounds 2-((3-chlorobenzyl)thio)-5-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)-1,3,4-oxadiazole (5e) and 2-((4-bromobenzyl)thio)-5-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)-1,3,4-oxadiazole (5 g) had bleach effect. Molecular docking is to find the best fit orientation of the 2-((4-bromobenzyl)thio)-5-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)-1,3,4-oxadiazole (5 g) molecule with the SDH protein (PDB: 2FBW). The docking results indicate that the compound 5 g and the lead compound penthiopyrad have similar binding interactions with SDH and carbonyl is a key group for these compounds.
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Affiliation(s)
- Hai-Bo Shi
- Chemical Engineering College, Ningbo Polytechnic, Ningbo, 315800 China
| | - Zhi-Wen Zhai
- College of Life Science, Huzhou University, Huzhou, 313000 China
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014 China
| | - Li-Jing Min
- College of Life Science, Huzhou University, Huzhou, 313000 China
| | - Liang Han
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014 China
| | - Na-Bo Sun
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, 310015 Zhejiang China
| | - Charles L. Cantrell
- Natural Products Utilization Research Unit, USDA ARS, University, MS 38677 USA
| | | | - Stephen O. Duke
- National Center for Natural Product Research, School of Pharmacy, University of Mississippi, P.O. Box 1848, University, MS 38677 USA
| | - Xing-Hai Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014 China
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10
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Han L, Cheng L, Hu D, Chen Q, Han L, Xu T, Liu X, Wu N. Design, Synthesis and Biological Activities of 1,2,
4‐Triazolo
[1,5‐
a
]pyrimidine‐7‐amine Derivatives Bearing 1,2,
4‐Oxadiazole
Motif. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Lin‐Ru Han
- 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
| | - Long Cheng
- 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
| | - Dong‐Song Hu
- Zhejiang Base of National Southern Pesticide Research Centre Zhejiang Research Institute of Chemical Industry Hangzhou China
| | - Qing‐Wu Chen
- College of Chemical Engineering Zhejiang University of Technology Hangzhou China
| | - Liang Han
- 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
| | - Ning‐Jie Wu
- Zhejiang Base of National Southern Pesticide Research Centre Zhejiang Research Institute of Chemical Industry Hangzhou China
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11
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Synthesis, Structure, and Antifungal Activities of 3-(Difluoromethyl)-Pyrazole-4-Carboxylic Oxime Ester Derivatives. HETEROATOM CHEMISTRY 2022. [DOI: 10.1155/2022/6078017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Fifteen new pyrazole-4-carboxylic oxime ester derivatives were conveniently synthesized, and their structures were confirmed by 1H NMR, 13C NMR, HRMS, and X-ray diffraction. Antifungal assays indicated that some of these compounds possessed good activity against S. sclerotiorum, B. cinerea, R. solani, P. oryae, and P. piricola at 50 ppm. Structure-activity relationships (SAR) were studied by molecular docking simulation.
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12
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Isolation, Synthesis, and Fungicidal Activity of Isopropyl (3-methyl-1-oxo-1-((1-((4-(prop-2-yn-1-yloxy)phenyl)thio)propan-2-yl)amino)butan-2-yl)carbamate Diastereomers against Phytophthora capsici. HETEROATOM CHEMISTRY 2022. [DOI: 10.1155/2022/4678338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Two isopropyl (3-methyl-1-oxo-1-((1-((4-(prop-2-yn-1-yloxy)phenyl)thio)propan-2-yl)amino)butan-2-yl)carbamate diastereomers were isolated. Fungicidal activities indicated that the isolated four chiral compounds possessed excellent activity against P. capsici with the EC50 value of 4a (1.30 μg/mL), 4b (0.078 μg/mL), 4c (1.85 μg/mL), and 4d (44.4 μg/mL). Among them, compound 4b exhibited remarkably high activities against Phytophthora capsici, which is better than that of positive control dimethomorph. Its R and S isomers showed that chiral influences the activity against P. capsici.
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13
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Min LJ, Wang H, Bajsa-Hirschel J, Yu CS, Wang B, Yao MM, Han L, Cantrell CL, Duke SO, Sun NB, Liu XH. Novel Dioxolane Ring Compounds for the Management of Phytopathogen Diseases as Ergosterol Biosynthesis Inhibitors: Synthesis, Biological Activities, and Molecular Docking. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4303-4315. [PMID: 35357135 DOI: 10.1021/acs.jafc.2c00541] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Thirty novel dioxolane ring compounds were designed and synthesized. Their chemical structures were confirmed by 1H NMR, HRMS, and single crystal X-ray diffraction analysis. Bioassays indicated that these dioxolane ring derivatives exhibited excellent fungicidal activity against Rhizoctonia solani, Pyricularia oryae, Botrytis cinerea, Colletotrichum gloeosporioides, Fusarium oxysporum, Physalospora piricola, Cercospora arachidicola and herbicidal activity against lettuce (Lactuca sativa), bentgrass (Agrostis stolonifera), and duckweed (Lemna pausicostata). Among these compounds, 1-((2-(4-chlorophenyl)-5-methyl-1,3-dioxan-2-yl)methyl)-1H-1,2,4-triazole (D17), 1-(((4R)-2-(4-chlorophenyl)-4-methyl-1,3-dioxolan-2-yl)methyl)-1H-1,2,4-triazole (D20), 1-((5-methyl-2-(4-(trifluoromethyl)phenyl)-1,3-dioxan-2-yl)methyl)-1H-1,2,4-triazole (D22), and 1-((2-(4-fluorophenyl)-1,3-dioxolan-2-yl)methyl)-1H-1,2,4-triazole (D26) had broad spectrum fungicidal and herbicidal activity. The IC50 values against duckweed were 20.5 ± 9.0, 14.2 ± 6.7, 24.0 ± 11.0, 8.7 ± 3.5, and 8.0 ± 3.1 μM for D17, D20, D22, and D26 and the positive control difenoconazole, respectively. The EC50 values were 7.31 ± 0.67, 9.74 ± 0.83, 17.32 ± 1.23, 11.96 ± 0.98, and 8.93 ± 0.91 mg/L for D17, D20, D22, and D26 and the positive control difenoconazole against the plant pathogen R. solani, respectively. Germination experiments with Arabidopsis seeds indicated that the target of these dioxolane ring compounds in plants is brassinosteroid biosynthesis. Molecular simulation docking results of compound D26 and difenoconazole with fungal CYP51 P450 confirmed that they both inhibit this enzyme involved in ergosterol biosynthesis. The structure-activity relationships (SAR) are discussed by substituent effect, molecular docking, and density functional theory analysis, which provided useful information for designing more active compounds.
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Affiliation(s)
- Li-Jing Min
- College of Life Science, Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou University, Huzhou 313000, Zhejiang, China
| | - Han Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Joanna Bajsa-Hirschel
- Natural Products Utilization Research Unit, USDA ARS, University, Mississippi 38677, United States
| | - Chen-Sheng Yu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bin Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, Zhejiang, China
| | - Meng-Meng Yao
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, Zhejiang, China
| | - Liang Han
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Charles L Cantrell
- Natural Products Utilization Research Unit, USDA ARS, University, Mississippi 38677, United States
| | - Stephen O Duke
- National Center for Natural Product Research, School of Pharmacy, University of Mississippi, P.O. Box 1848, University, Mississippi 38677, United States
| | - Na-Bo Sun
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, Zhejiang, China
| | - Xing-Hai Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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Tian L, Gao Y, Peng XJ, Zhang C, Zhao WG, Liu XH. Synthesis, fungicidal activity and SAR of new amino acid derivatives containing substituted 1-(phenylthio)propan-2-amine moiety. PHOSPHORUS SULFUR 2022. [DOI: 10.1080/10426507.2021.2012471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Lei Tian
- State Key Laboratory of Elemental Organic Chemistry, Nankai University, Tianjin, China
| | - Yang Gao
- State Key Laboratory of Elemental Organic Chemistry, Nankai University, Tianjin, China
| | - Xing-Jie Peng
- State Key Laboratory of Elemental Organic Chemistry, Nankai University, Tianjin, China
| | - Cheng Zhang
- State Key Laboratory of Elemental Organic Chemistry, Nankai University, Tianjin, China
| | - Wei-Guang Zhao
- State Key Laboratory of Elemental Organic Chemistry, Nankai University, Tianjin, China
| | - Xing-Hai Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
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