Benzofuranyl substituted uracil derivatives, and their production and use as herbicides
申请人:SUMITOMO CHEMICAL COMPANY LIMITED
公开号:EP0561319A1
公开(公告)日:1993-09-22
There are disclosed novel benzofuran derivatives of the formula:
wherein A is hydrogen, fluorine or chlorine; X is hydrogen, fluorine, chlorine or bromine; Y is methyl optionally substituted with halogen; Z is methyl or amino; R is halo-(C₁-C₅)alkyl, (C₁-C₅)alkylthio(C₁-C₅)alkyl, amino(C₁-C₅)-alkyl, (C₁-C₅)alkylamino(C₁-C₅)alkyl, (C₁-C₅)acylamino-(C₁-C₅)alkyl, (C₁-C₅)alkylsulfonylamino(C₁-C₅)alkyl, C₁-C₅acyl, hydroxy(C₁-C₅)alkyl, (C₁-C₅)alkoxy(C₁-C₅)alkyl, (C₁-C₅)alkoxy(C₁-C₅)alkoxy(C₁-C₅)alkyl, (C₁-C₅)acyloxy-(C₁-C₅)alkyl, hydroxyimino(C₁-C₅)alkyl, (C₁-C₅)alkoxyimino-(C₁-C₅)alkyl, cyano, hydrazono(C₁-C₅)alkyl, (C₁-C₅)alkyl-hydrazono(C₁-C₅)alkyl, phenylhydrazono(C₁-C₅)alkyl (wherein phenyl is optionally substituted with C₁-C₅ alkyl, C₁-C₅ alkoxy, halo(C₁-C₅)alkyl, halo(C₁-C₅)alkoxy, halogen, nitro, cyano or C₁-C₅ alkylthio), carboxy, C₁-C₅ alkoxycarbonyl, aminocarbonyl, C₁-C₅ alkylaminocarbonyl or phenylamino-carbonyl (wherein phenyl is optionally substituted with C₁-C₅ alkyl, C₁-C₅ alkoxy, halo(C₁-C₅)alkyl, halo(C₁-C₅)-alkoxy, halogen, nitro, cyano or C₁-C₅ alkylthio).
Also disclosed are herbicidal compositions containing the above benzofuran derivatives as active ingredient and a method for exterminating undesired weeds by the application of a herbicidally effective amount of the above benzofuran derivatives to an area where the undesired weeds grow or will grow.
公开了式中的新型
苯并呋喃衍
生物:
其中 A 是氢、
氟或
氯;X 是氢、
氟、
氯或
溴;Y 是可选被卤素取代的甲基;Z 是甲基或
氨基;R 是卤代-(C₁-C₅)烷基、(C₁-C₅)烷
硫基(C₁-C₅)烷基、
氨基(C₁-C₅)-烷基、(C₁-C₅)烷基
氨基(C₁-C₅)烷基、(C₁-C₅)酰
氨基-(C₁-C₅)烷基、(C₁-C₅)烷基磺酰基
氨基(C₁-C₅)烷基、C₁-C₅acyl、羟基(C₁-C₅)烷基、(C₁-C₅)烷氧基(C₁-C₅)烷基、(C₁-C₅)烷氧基(C₁-C₅)烷氧基(C₁-C₅)烷基、(C₁-C₅)酰氧基-(C₁-C₅)烷基、羟基亚
氨基(C₁-C₅)烷基、(C₁-C₅)烷氧基亚
氨基-(C₁-C₅)烷基、
氰基、
肼基(C₁-C₅)烷基、(C₁-C₅)烷基-
肼基(C₁-C₅)烷基、苯基
肼基(C₁-C₅)烷基(其中苯基可选择被 C₁-C₅ 烷基取代、C₁-C₅烷氧基、卤代(C₁-C₅)烷基、卤代(C₁-C₅)烷氧基、卤素、硝基、
氰基或 C₁-C₅烷
硫基)、羧基、C₁-C₅烷氧基羰基、
氨基羰基、C₁-C₅烷基
氨基羰基或苯基
氨基羰基(其中苯基可选择被 C₁-C₅ 烷基取代、C₁-C₅烷氧基、卤代(C₁-C₅)烷基、卤代(C₁-C₅)-烷氧基、卤素、硝基、
氰基或 C₁-C₅烷
硫基)。
本发明还公开了含有上述
苯并呋喃衍
生物作为活性成分的除草组合物,以及将除草有效量的上述
苯并呋喃衍
生物施用到杂草生长或将要生长的区域以灭杀不希望生长的杂草的方法。