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  • Title: Synthesis and fungicidal activities of novel bis(trifluoromethyl)phenyl-based strobilurins.
    Author: Liu A, Wang X, Ou X, Huang M, Chen C, Liu S, Huang L, Liu X, Zhang C, Zheng Y, Ren Y, He L, Yao J.
    Journal: J Agric Food Chem; 2008 Aug 13; 56(15):6562-6. PubMed ID: 18598043.
    Abstract:
    Strobilurins have become one of the most important classes of agricultural fungicides. To search for novel strobilurin compounds with unique biological activities, novel bis(trifluoromethyl)phenyl-based strobilurin analogues were synthesized by the reaction of 1-bis(trifluoromethyl)phenyl based methanone oxime with corresponding strobilurin pharmacophores in the presence of bases such as potassium hydroxide, potassium carbonate, or sodium hydride. ( E)-Methyl 2-(2-(((( Z)(1-(3,5-bis(trifluoromethyl) phenyl)-1-methoxymethylidene)amino)oxy)methyl)phenyl)-3-methoxyacrylate and ( Z)-methyl- N-( E)-2-(( E)-(5,6-dihydro-1,4,2-dioxazin-3-yl)(methoxyimino)methyl)benzyloxy-3,5-bis(trifluoromethyl)benzimidate were more effective against Erysiphe graminis and sphaerotheca fuligine than commercial strobilurin fungicides metominostrobin, azoxystrobin, and trifloxystrobin.
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