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Novel Trifluoromethylpyrazole Acyl Thiourea Derivatives: Synthesis, Antifungal Activity and Docking Study

[ Vol. 16 , Issue. 7 ]

Author(s):

Zhi-Wen Zhai, Han Wang, Yan-Xia Shi, Cheng-Xia Tan, Jian-Quan Weng, Liang Han, Bao-Ju Li and Xing-Hai Liu*   Pages 785 - 791 ( 7 )

Abstract:


Background: In recent years, pyrazole carboxamide derivatives possessed excellent fungicidal activity. In the process of designing new fungicides, the carboxamide group was modified in order to find novel structure pyrazole carboxamide derivatives.

Methods: Ten novel trifluoromethyl pyrazole acyl thiourea derivatives were designed and synthesized. In vivo fungicidal activities of these compounds were tested against Fusarium oxysporum, Corynespora mazei and Botrytis cinerea, respectively

Results: Particularly compounds exhibited significant control effective at 100 mg/L. More importantly, some compounds showed the good control effective at 10 mg/L. Furthermore, docking was established to study the structure-activity relationship of the title compounds.

Conclusion: It is possible that trifluoromethylpyrazole acyl thiurea derivatives, which possess good control effective against Botrytis cinerea, may become novel lead compounds for the development of fungicides with further structure modification.

Keywords:

Trifluoromethylpyrazole, thiourea, antifungal activity, docking, fusarium oxysporum, corynespora mazei, botrytis cinerea.

Affiliation:

College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100014, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100014, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025



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