申请人:Kureha Kagaku Kogyo Kabushiki Kaisha
公开号:US04973353A1
公开(公告)日:1990-11-27
Disclosed herein is a derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide represented by the formula (I): ##STR1## wherein R is a straight-chain alkyl group having 1 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms, a branched alkyl group having 3 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms, a cyclic alkyl group having 3 to 10 carbon atoms, an alkyl group having 1 to 3 carbon atoms which is substituted with an alicyclic structure having 3 to 7 carbon atoms, a phenyl group or an aralkyl group having 7 to 9 carbon atoms; X.sup.1 is a halogen or an alkyl group having 1 to 3 carbon atoms; X.sup.2 is a hydrogen, a halogen or an alkyl group having 1 to 3 carbon atoms; Y.sup.1 is a hydrogen or a fluorine; and Y.sup.2 is a hydrogen or a fluorine, and the herbicidal compositions containing said derivatives as active ingredient therefor. The derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide represented by the formula (I) of the present invention is the compound having high herbicidal activity and also showing excellent selectivity for killing weeds alone without doing any serious harm to the crops such as rice, wheat and corn.
本公开揭示的是一种由式(I)表示的1,5-二苯基-1H-1,2,4-三唑-3-羧酰胺衍生物:##STR1##其中R是具有1至10个碳原子的直链烷基基团,可以是未取代或取代有1至19个氟原子的,也可以是具有3至10个碳原子的支链烷基基团,可以是未取代或取代有1至19个氟原子的,也可以是具有3至10个碳原子的环烷基基团,也可以是取代有3至7个碳原子的脂环结构的1至3个碳原子的烷基基团,也可以是苯基或具有7至9个碳原子的芳基基团;X^1是卤素或具有1至3个碳原子的烷基基团;X^2是氢、卤素或具有1至3个碳原子的烷基基团;Y^1是氢或氟;Y^2是氢或氟,以及含有所述衍生物作为活性成分的除草剂组合物。本发明的式(I)表示的1,5-二苯基-1H-1,2,4-三唑-3-羧酰胺衍生物是一种具有高除草活性并且对杀除杂草具有出色选择性的化合物,而不会对水稻、小麦和玉米等作物造成严重危害。