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Liu D, Ye J, Gao Y, Pei H, Luo C, Tian H, He J, Zhang J, Zhang L. Design, Synthesis, and Acaricidal/Insecticidal Activities of New Phenylpyrazole Derivatives Comprising an Imide Moiety. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:15276-15283. [PMID: 38943575 DOI: 10.1021/acs.jafc.4c02841] [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: 07/01/2024]
Abstract
Using nicofluprole as the lead compound, we designed and synthesized a series of new phenylpyrazole analogues through substituting the methyl group on the nitrogen atom of the amide with an acyl group. Bioassay results showed that compounds A12-A17 with a 1-cyanocyclopropimide group exhibited outstanding insecticidal activity. The LC50 values for compounds A12-A17 against Tetranychus cinnabarinus ranged from 0.58 to 0.91 mg/L. Compound A15 showed an LC50 value of 0.29 and 3.10 mg/L against Plutella xylostella and Myzus persicae, respectively. Molecular docking indicated the potential binding interactions of compound A15 with a gamma-aminobutyric acid receptor. Additionally, density functional theory calculations implied that the 1-cyanocyclopropimide structure might be essential for its biological activity. Phenylpyrazole derivatives, containing a 1-cyanocyclopropimide fragment, have the potential for further development as potential insecticides.
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Affiliation(s)
- Dongdong Liu
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
| | - Jialin Ye
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
| | - Yixing Gao
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
| | - Hongyan Pei
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
| | - Chunfeng Luo
- Metisa Biotechnology Co., Ltd., Nanning 530000, China
| | - Huan Tian
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
| | - Juan He
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
| | - Jing Zhang
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
- Metisa Biotechnology Co., Ltd., Nanning 530000, China
| | - Lixin Zhang
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang 110142, China
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
- Metisa Biotechnology Co., Ltd., Nanning 530000, China
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Yang S, Zhang JR, Li M, Feng YM, Yang LL, Long ZQ, Zhou X, Wu ZB, Liu LW, Yang S. Expanding the Structural Diversity of Tubulin-Targeting Agents: Development of Highly Potent Benzimidazoles for Treating Fungal Diseases. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38959381 DOI: 10.1021/acs.jafc.4c01578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
Benzimidazoles, the representative pharmacophore of fungicides, have excellent antifungal potency, but their simple structure and single site of action have hindered their wider application in agriculture. In order to extend the structural diversity of tubulin-targeted benzimidazoles, novel benzimidazole derivatives were prepared by introducing the attractive pyrimidine pharmacophore. 2-((6-(4-(trifluoromethyl)phenoxy)pyrimidin-4-yl)thio)-1H-benzo[d]imidazole (A25) exhibited optimal antifungal activity against Sclerotinia sclerotiorum (S. s.), affording an excellent half-maximal effective concentration (EC50) of 0.158 μg/mL, which was higher than that of the reference agent carbendazim (EC50 = 0.594 μg/mL). Pot experiments revealed that compound A25 (200 μg/mL) had acceptable protective activity (84.7%) and curative activity (78.1%), which were comparable with that of carbendazim (protective activity: 90.8%; curative activity: 69.9%). Molecular docking displayed that multiple hydrogen bonds and π-π interactions could be formed between A25 and β-tubulin, resulting in a stronger bonding effect than carbendazim. Fluorescence imaging revealed that the structure of intracellular microtubules can be changed significantly after A25 treatment. Overall, these remarkable antifungal profiles of constructed novel benzimidazole derivatives could facilitate the application of novel microtubule-targeting agents.
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Affiliation(s)
- Shan Yang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Jun-Rong Zhang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Mei Li
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Yu-Mei Feng
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Lin-Li Yang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Zhou-Qing Long
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Xiang Zhou
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Zhi-Bing Wu
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Li-Wei Liu
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Song Yang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
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Liu D, Zhang J, Gao Y, Hao H, Zhang C, Wang F, Zhang L. Synthesis, acaricidal activity, and structure-activity relationships of novel phenyl trifluoroethyl thioether derivatives containing substituted benzyl groups. PEST MANAGEMENT SCIENCE 2024; 80:544-553. [PMID: 37735842 DOI: 10.1002/ps.7780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 08/26/2023] [Accepted: 09/22/2023] [Indexed: 09/23/2023]
Abstract
BACKGROUND To discover and develop novel acaricidal compounds, a series of 2-fluoro-4-methyl/chlorine-5-((2,2,2-trifluoroethyl)thio)aniline/phenol compounds containing N/O-benzyl moieties were synthesized based on lead compound LZ-1. RESULTS The activity of these compounds against carmine spider mites (Tetranychus cinnabarinus) was determined using the leaf-spray method. Bioassays indicated that most of the designed target compounds possessed moderate to excellent acaricidal activity against adult T. cinnabarinus. The median lethal concentrations of 25b and 26b were 0.683 and 2.448 mg L-1 against adult mites, respectively; exceeding those of bifenazate (7.519 mg L-1 ) and lead compound LZ-1(3.658 mg L-1 ). Compound 25b exhibited 100% mortality in T. cinnabarinus larvae at 10 mg L-1 . CONCLUSION Continuing the study of these compounds in field trials, we compared the efficacy of mite killing by compound 25b with the commercial pesticide spirodiclofen and showed that mite control achieved 95.9% and 83.0% lethality at 10 and 22 days post-treatment. In comparison, spirodiclofen showed 92.7% lethality at 10 days and 77.2% lethality at 22 days post-treatment at a concentration of 100 mg L-1 . Results showed that 25b produced more facile and long-lasting control against T. cinnabarinus than the commercial acaricide spirodiclofen. Density functional theory analysis and electrostatic potential calculations of various molecular substitutions suggested some useful models to achieve other highly active miticidal compounds. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Dongdong Liu
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang, China
| | - Jing Zhang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang, China
- Metisa Biotechnology Co., Ltd., Nanning, China
| | - Yixing Gao
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang, China
| | - Haijing Hao
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang, China
| | - Chenyang Zhang
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang, China
| | - Feng Wang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang, China
| | - Lixin Zhang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China
- Institute of Functional Molecules, Shenyang University of Chemical Technology, Liaoning Province Key Laboratory of Green Functional Molecular Design and Development, Shenyang Key Laboratory of Targeted Pesticides, Shenyang, China
- Metisa Biotechnology Co., Ltd., Nanning, China
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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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Mao G, Tian Y, Shi J, Liao C, Huang W, Wu Y, Wen Z, Yu L, Zhu X, Li J. Design, Synthesis, Antibacterial, and Antifungal Evaluation of Phenylthiazole Derivatives Containing a 1,3,4-Thiadiazole Thione Moiety. Molecules 2024; 29:285. [PMID: 38257199 PMCID: PMC10820687 DOI: 10.3390/molecules29020285] [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: 12/19/2023] [Revised: 01/01/2024] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
To effectively control the infection of plant pathogens, we designed and synthesized a series of phenylthiazole derivatives containing a 1,3,4-thiadiazole thione moiety and screened for their antibacterial potencies against Ralstonia solanacearum, Xanthomonas oryzae pv. oryzae, as well as their antifungal potencies against Sclerotinia sclerotiorum, Rhizoctonia solani, Magnaporthe oryzae and Colletotrichum gloeosporioides. The chemical structures of the target compounds were characterized by 1H NMR, 13C NMR and HRMS. The bioassay results revealed that all the tested compounds exhibited moderate-to-excellent antibacterial and antifungal activities against six plant pathogens. Especially, compound 5k possessed the most remarkable antibacterial activity against R. solanacearum (EC50 = 2.23 μg/mL), which was significantly superior to that of compound E1 (EC50 = 69.87 μg/mL) and the commercial agent Thiodiazole copper (EC50 = 52.01 μg/mL). Meanwhile, compound 5b displayed the most excellent antifungal activity against S. sclerotiorum (EC50 = 0.51 μg/mL), which was equivalent to that of the commercial fungicide Carbendazim (EC50 = 0.57 μg/mL). The preliminary structure-activity relationship (SAR) results suggested that introducing an electron-withdrawing group at the meta-position and ortho-position of the benzene ring could endow the final structure with remarkable antibacterial and antifungal activity, respectively. The current results indicated that these compounds were capable of serving as promising lead compounds.
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Affiliation(s)
- Guoqing Mao
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Yao Tian
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Jinchao Shi
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Changzhou Liao
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Weiwei Huang
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Yiran Wu
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Zhou Wen
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Linhua Yu
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
| | - Xiang Zhu
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Junkai Li
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou 434025, China; (G.M.); (Y.T.); (J.S.); (C.L.); (W.H.); (Y.W.); (Z.W.); (L.Y.)
- Institute of Pesticides, Yangtze University, Jingmi Road 88, Jingzhou 434025, China
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Natarajan R, Kumar P, Subramani A, Siraperuman A, Angamuthu P, Bhandare RR, Shaik AB. A Critical Review on Therapeutic Potential of Benzimidazole Derivatives: A Privileged Scaffold. Med Chem 2024; 20:311-351. [PMID: 37946342 DOI: 10.2174/0115734064253813231025093707] [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: 03/18/2023] [Revised: 09/15/2023] [Accepted: 09/28/2023] [Indexed: 11/12/2023]
Abstract
Benzimidazole nucleus is a predominant heterocycle displaying a wide spectrum of pharmacological activities. The privileged nature of the benzimidazole scaffold has been revealed by its presence in most small molecule drugs and in its ability to bind multiple receptors with high affinity. A literature review of the scaffold reveals several instances where structural modifications of the benzimidazole core have resulted in high-affinity lead compounds against a variety of biological targets. Hence, this structural moiety offers opportunities to discover novel, better, safe and highly potent biological agents. The goal of the present review is to compile the medicinal properties of benzimidazole derivatives with a focus on SAR (Structure-Activity Relationships).
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Affiliation(s)
- Ramalakshmi Natarajan
- Department of Pharmaceutical Chemistry, C.L. Baid Metha College of Pharmacy, Dr. M.G.R. Medical University, Thoraipakkam, Chennai-600097, Tamil Nadu, lndia
| | - Padma Kumar
- Department of Pharmaceutical Chemistry, C.L. Baid Metha College of Pharmacy, Dr. M.G.R. Medical University, Thoraipakkam, Chennai-600097, Tamil Nadu, lndia
| | - Arunkumar Subramani
- Department of Pharmaceutical Sciences, School of Pharmacy, Sathyabama Institute of Science and Technology, Chennai, lndia
| | - Amuthalakshmi Siraperuman
- Department of Pharmaceutical Chemistry, C.L. Baid Metha College of Pharmacy, Dr. M.G.R. Medical University, Thoraipakkam, Chennai-600097, Tamil Nadu, lndia
| | - Prabakaran Angamuthu
- Department of Pharmaceutical Chemistry, C.L. Baid Metha College of Pharmacy, Dr. M.G.R. Medical University, Thoraipakkam, Chennai-600097, Tamil Nadu, lndia
| | - Richie R Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Science, Ajman University, Ajman P.O. Box 346, UAE
| | - Afzal B Shaik
- St. Mary's College of Pharmacy, St. Mary's Group of Institutions Guntur, Affiliated to Jawaharlal Nehru Technological University Kakinada, Chebrolu, Guntur 522212, Andhra Pradesh, India
- Center for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, India
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7
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Khan S, Iqbal S, Rehman W, Hussain N, Hussain R, Shah M, Ali F, Fouda AM, Khan Y, Dera AA, Issa Alahmdi M, Bahadur A, Al-ghulikah HA, Elkaeed EB. Synthesis, Molecular docking and ADMET studies of bis-benzimidazole-based thiadiazole derivatives as potent inhibitors, in vitro α-amylase and α-glucosidase. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
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Shi M, Xue SY, Peng GW, Xu JK, Gao YS, Liu SW, Duan XM, Lu LM. Electrochemical determination of benomyl using MWCNTs interspersed graphdiyne as enhanced electrocatalyst. Mikrochim Acta 2023; 190:98. [PMID: 36806988 DOI: 10.1007/s00604-023-05684-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 01/30/2023] [Indexed: 02/23/2023]
Abstract
Graphdiyne (GDY) has attracted a lot of interest in electrochemical sensing application with the advantages of a large conjugation system, porous structure, and high structure defects. Herein, to further improve the sensing effect of GDY, conductive MWCNTs were chosen as the signal accelerator. To get a stable composite material, polydopamine (PDA) was employed as connecting bridge between GDY and MWCNTs-NH2, where DA was firstly polymerized onto GDY, followed by covalently linking MWCNTs-NH2 with PDA through Michael-type reaction. The formed GDY@PDA/MWCNTs-NH2 composite was then explored as an electrochemical sensor for benomyl (Ben) determination. GDY assists the adsorption and accumulation of Ben molecules to the sensing surface, while MWCNTs-NH2 can enhance the electrical conductivity and electrocatalytic activity, all of which contributing to the significantly improved performance. The proposed sensor displays an obvious oxidation peak at 0.72 V (vs. Hg|Hg2Cl2) and reveals a wide linear range from 0.007 to 10.0 µM and a low limit of detection (LOD) of 1.8 nM (S/N = 3) toward Ben detection. In addition, the sensor shows high stability, repeatability, reproducibility, and selectivity. The feasibility of this sensor was demonstrated by detecting Ben in apple and cucumber samples with a recovery of 94-106% and relative standard deviations (RSDs) less than 2.3% (n = 5). A sensitive electrochemical sensing platform was reported for benomyl (Ben) determination based on a highly stable GDY@PDA/MWCNTs-NH2 composite.
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Affiliation(s)
- Min Shi
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, Engineering Center of Jiangxi University for Fine Chemicals, Flexible Electronics Innovation Institute (FEII), School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang, 330013, People's Republic of China.,Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Key Laboratory of Chemical Utilization of Plant Resources of Nanchang, College of Materials and Chemistry, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Shu-Ya Xue
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, Engineering Center of Jiangxi University for Fine Chemicals, Flexible Electronics Innovation Institute (FEII), School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang, 330013, People's Republic of China
| | - Guan-Wei Peng
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Key Laboratory of Chemical Utilization of Plant Resources of Nanchang, College of Materials and Chemistry, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Jing-Kun Xu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, Engineering Center of Jiangxi University for Fine Chemicals, Flexible Electronics Innovation Institute (FEII), School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang, 330013, People's Republic of China
| | - Yan-Sha Gao
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Key Laboratory of Chemical Utilization of Plant Resources of Nanchang, College of Materials and Chemistry, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Shu-Wu Liu
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Key Laboratory of Chemical Utilization of Plant Resources of Nanchang, College of Materials and Chemistry, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Xue-Min Duan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, Engineering Center of Jiangxi University for Fine Chemicals, Flexible Electronics Innovation Institute (FEII), School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang, 330013, People's Republic of China.
| | - Li-Min Lu
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Key Laboratory of Chemical Utilization of Plant Resources of Nanchang, College of Materials and Chemistry, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China.
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9
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Benzimidazole Derivatives Suppress Fusarium Wilt Disease via Interaction with ERG6 of Fusarium equiseti and Activation of the Antioxidant Defense System of Pepper Plants. J Fungi (Basel) 2023; 9:jof9020244. [PMID: 36836358 PMCID: PMC9961032 DOI: 10.3390/jof9020244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/02/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023] Open
Abstract
Sweet pepper (Capsicum annuum L.), also known as bell pepper, is one of the most widely grown vegetable crops worldwide. It is attacked by numerous phytopathogenic fungi, such as Fusarium equiseti, the causal agent of Fusarium wilt disease. In the current study, we proposed two benzimidazole derivatives, including 2-(2-hydroxyphenyl)-1-H benzimidazole (HPBI) and its aluminum complex (Al-HPBI complex), as potential control alternatives to F. equiseti. Our findings showed that both compounds demonstrated dose-dependent antifungal activity against F. equiseti in vitro and significantly suppressed disease development in pepper plants under greenhouse conditions. According to in silico analysis, the F. equiseti genome possesses a predicted Sterol 24-C-methyltransferase (FeEGR6) protein that shares a high degree of homology with EGR6 from F. oxysporum (FoEGR6). It is worth mentioning that molecular docking analysis confirmed that both compounds can interact with FeEGR6 from F. equiseti as well as FoEGR6 from F. oxysporum. Moreover, root application of HPBI and its aluminum complex significantly enhanced the enzymatic activities of guaiacol-dependent peroxidases (POX), polyphenol oxidase (PPO), and upregulated four antioxidant-related enzymes, including superoxide dismutase [Cu-Zn] (CaSOD-Cu), L-ascorbate peroxidase 1, cytosolic (CaAPX), glutathione reductase, chloroplastic (CaGR), and monodehydroascorbate reductase (CaMDHAR). Additionally, both benzimidazole derivatives induced the accumulation of total soluble phenolics and total soluble flavonoids. Collectively, these findings suggest that the application of HPBI and Al-HPBI complex induce both enzymatic and nonenzymatic antioxidant defense machinery.
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Synthesis, Fungicidal Activity and Plant Protective Properties of 1,2,3-Thiadiazole and Isothiazole-Based N-acyl- N-arylalaninates. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28010419. [PMID: 36615609 PMCID: PMC9822468 DOI: 10.3390/molecules28010419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/16/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023]
Abstract
The addition of active groups of known fungicides, or systemic acquired resistance inducers, into novel compound molecules to search for potential antifungal compounds is a popular and effective strategy. In this work, a new series of N-acyl-N-arylalanines was developed and synthesized, in which 1,2,3-thiadiazol-5-ylcarbonyl or 3,4-dichloroisothiazol-5-ylcarbonyl (fragments from synthetic plant resistance activators tiadinil and isotianil, respectively) and a fragment of N-arylalanine, the toxophoric group of acylalanine fungicides. Several new synthesized compounds have shown moderate antifungal activity against fungi in vitro, such as B. cinerea, R. solani and S. sclerotiorum. In vivo tests against A. brassicicola showed that compound 1d was 92% effective at a concentration of 200 µg/mL, similar to level of tiadinil, a known inducer of systemic resistance. Thus, 1d could be considered a new candidate fungicide for further detailed study. The present results will advance research and influence the search for more promising fungicides for disease control in agriculture.
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11
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Ragab SS, Abdelraof M, Elrashedy AA, Sweed AM. Design, Synthesis, Molecular Dynamic Simulation Studies, and Antibacterial Evaluation of New Spirocyclic Aminopyrimidines. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.134912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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12
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Sun C, Zhang F, Zhang H, Li P, Jiang L. Design, Synthesis, Fungicidal Activity and Molecular Docking Study of Novel 2-(1-Methyl-1 H-pyrazol-4-yl)pyrimidine-4-carboxamides. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202206008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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13
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López-Velázquez JG, Ayón-Reyna LE, Vega-García MO, López-Angulo G, López-López ME, López-Zazueta BA, Delgado-Vargas F. Caprylic acid in Vitex mollis fruit and its inhibitory activity against a thiabendazole-resistant Colletotrichum gloeosporioides strain. PEST MANAGEMENT SCIENCE 2022; 78:5271-5280. [PMID: 36054649 DOI: 10.1002/ps.7149] [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: 11/16/2021] [Revised: 06/29/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Colletotrichum gloeosporioides causes anthracnose in a large number of crops. Synthetic fungicides are employed to prevent this disease, even though their effectiveness and safety is questionable. Thus, effective and innocuous antifungal compounds are proposed as natural alternatives against anthracnose. The hexane fraction of Vitex mollis pulp (HF-VM) reduces anthracnose incidence in papaya fruit; however, the active compounds and antifungal mechanism of HF-VM are unknown. The aims of this study were to characterize the activity of HF-VM sub-fractions (sHF1 -sHF7 ) against a thiabendazole-resistant Colletotrichum gloeosporioides strain, identify the chemical components and investigate the mechanism of the most active sub-fraction. RESULTS The sHF3 showed the highest inhibitory activity against Colletotrichum gloeosporioides with a minimal inhibitory concentration (MIC) of 0.5 mg mL-1 , whereas thiabendazole (TBZ) had a MIC value higher than 2 mg mL-1 . The gas chromatography-mass spectrometry (GC-MS) analysis showed that the compounds in sHF3 were methyl 4-decenoate, caprylic acid, and 24-methylencycloartanol. These compounds are rarely found in fruits and are reported for the first time on Vitex species. The purified 24-methylencycloartanol was inactive (MIC > 0.5 mg mL-1 ). In contrast, the commercial standard of caprylic acid presented an elevated activity (MIC = 0.125 mg mL-1 ), indicating that this compound is the main one responsible for the antifungal properties of sHF3 . Furthermore, the sHF3 inhibited the spore germination and induced membrane disruption in both the spore and mycelium of Colletotrichum gloeosporioides. CONCLUSION Vitex mollis fruit is a novel source of antifungal caprylic acid that could be employed as a marker to prepare standardized extracts with antifungal properties. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Jordi G López-Velázquez
- Doctorado Regional en Biotecnología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
| | - Lidia E Ayón-Reyna
- Posgrado en Ciencia y Tecnología de Alimentos, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
| | - Misael O Vega-García
- Doctorado Regional en Biotecnología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
- Posgrado en Ciencia y Tecnología de Alimentos, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
| | - Gabriela López-Angulo
- Posgrado en Ciencia y Tecnología de Alimentos, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
| | - Martha E López-López
- Posgrado en Ciencia y Tecnología de Alimentos, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
| | - Blanca A López-Zazueta
- Posgrado en Ciencia y Tecnología de Alimentos, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
| | - Francisco Delgado-Vargas
- Doctorado Regional en Biotecnología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
- Posgrado en Ciencia y Tecnología de Alimentos, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Mexico
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14
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Pan N, Liu C, Wu R, Fei Q, Wu W. Novel Pyrimidine Derivatives Bearing a 1,3,4-Thiadiazole Skeleton: Design, Synthesis, and Antifungal Activity. Front Chem 2022; 10:922813. [PMID: 35755264 PMCID: PMC9213879 DOI: 10.3389/fchem.2022.922813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 04/25/2022] [Indexed: 11/15/2022] Open
Abstract
In this study, twenty novel pyrimidine derivatives bearing a 1,3,4-thiadiazole skeleton were designed and synthesized. Then their antifungal activity against Botrytis cinereal (B. cinereal), Botryosphaeria dothidea (B. dothidea), and Phomopsis sp. were determined using the poison plate technique. Biological test results showed that compound 6h revealed lower EC50 values (25.9 and 50.8 μg/ml) on Phompsis sp. than those of pyrimethanil (32.1 and 62.8 μg/ml).
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Affiliation(s)
- Nianjuan Pan
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
| | - Chunyi Liu
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
| | - Ruirui Wu
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
| | - Qiang Fei
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
| | - Wenneng Wu
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
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15
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Chen W, Zhang R, Chen Y, Yu P, Lan Y, Xu H, Lei S. Design, synthesis and mechanism study of novel natural-derived isoquinoline derivatives as antifungal agents. Mol Divers 2022:10.1007/s11030-022-10463-z. [PMID: 35661315 DOI: 10.1007/s11030-022-10463-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 05/14/2022] [Indexed: 11/28/2022]
Abstract
In screening for natural fungicidal leads, two series of novel 3-aryl-isoquinoline derivatives 8 and 9 were designed and synthesized based on sanguinarine, chelerythrine and berberine. Their structures were confirmed by 1D, 2D NMR and HRMS. Most of the title compounds showed medium to excellent antifungal activity in vitro at 50 mg/L, which were much more active than the lead of sanguinarine. Especially, 9f possessed the best effective against Alternaria solani (80.4%), Alternaria alternata (88.2%) and Physalospora piricola (93.8%). Furthermore, the EC50 of 9f (3.651 mg/L) against P. piricola was marginally better than chlorothalonil (3.869 mg/L). In vivo antifungal activity of 9f against P. piricola was studied on apples. The curative and protection results at the dosage of 50 and 100 mg/L showed as 70.45 ~ 81.67% and 64.96 ~ 80.34%, respectively, which were equal to that of chlorothalonil (80.30 ~ 86.67%, 73.08 ~ 76.92%). Molecular electrostatic potential and molecular docking analysis revealed that 9f was fully covered by positive potential contour, which was easier to interact with the negative amino acid resides of succinate dehydrogenase than 8f. 9f could be used as a novel antifungal lead compound for further study. Two series of novel isoquinoline derivatives 8, 9 containing 3-aryl were rational designed and synthesized based on quaternary isoquinoline alkaloids. The bioassay and interaction mechanism studies indicated that 9f should be considered as potential antifungal lead.
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Affiliation(s)
- Wei Chen
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China.
| | - Rui Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Yang Chen
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Pingbing Yu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Yuxin Lan
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Haojian Xu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Simin Lei
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
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16
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Xu Y, Wang H, Du X. Design, synthesis, and fungicidal activity of novel N-substituted piperazine-containing phenylpyridines against cucumber downy mildew. PEST MANAGEMENT SCIENCE 2022; 78:1806-1814. [PMID: 35023277 DOI: 10.1002/ps.6798] [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: 12/08/2021] [Revised: 01/06/2022] [Accepted: 01/13/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Cucumber downy mildew (CDM) is a severe plant disease and affects the yield of cucumber production worldwide. As the resistance toward conventional fungicides is emerging as a ubiquitous issue, it is urgent to discover efficient fungicides with unique structures. RESULTS In this study, a series of novel phenylpyridine derivatives were designed and synthesized. Bioassays revealed that most of these compounds possessed excellent fungicidal activities against CDM. Among the phenylpyridine compounds, 2-(4-(4-(tert-butyl)benzyl)piperazin-1-yl)-6-phenylnicotinonitrile (C8) [half-maximal effective concentration (EC50 ) = 4.40 mg L-1 ] displayed the highest activity, which was better than those of the commercial fungicides, such as azoxystrobin (EC50 = 42.77 mg L-1 ) and flumorph (EC50 = 41.94 mg L-1 ). Furthermore, the molecular electrostatic potential of high-activity compound C8 indicated that nitrogen atom of the cyano group on the pyridine ring was in the negative region and may easily form hydrogen bonds and allow for electrostatic interactions with potential receptors. CONCLUSIONS This study demonstrated that the novel N-substituted piperazine-containing phenylpyridine derivatives could be further developed as a candidate compound to control CDM.
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Affiliation(s)
- Ying Xu
- Catalytic Hydrogenation Research Center, Zhejiang Key Laboratory of Green Pesticides and Cleaner Production Technology, Zhejiang Green Pesticide Collaborative Innovation Center, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Hongtao Wang
- Catalytic Hydrogenation Research Center, Zhejiang Key Laboratory of Green Pesticides and Cleaner Production Technology, Zhejiang Green Pesticide Collaborative Innovation Center, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Xiaohua Du
- Catalytic Hydrogenation Research Center, Zhejiang Key Laboratory of Green Pesticides and Cleaner Production Technology, Zhejiang Green Pesticide Collaborative Innovation Center, Zhejiang University of Technology, Hangzhou, P. R. China
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