申请人:Korea Research Institute of Chemical Technology
公开号:US05726127A1
公开(公告)日:1998-03-10
The present invention relates to a thiophenesulfonylurea derivative represented by general formula (I), the process for preparation thereof, and herbicide using it; and a salt thereof, in which T represents a group T1, T2, or T3 having general formulae (a), wherein E represents a direct bond; R represents hydrogen or C.sub.1-4 acyl; R.sup.1 represents C.sub.1-6 alkyl substituted with 1 to 3 halogen atoms; R.sup.2 represents hydrogen, C.sub.1-3 alkyl, C.sub.1-3 haloalkyl, halogen, cyano, C.sub.1-3 alkoxy, C.sub.1-3 haloalkoxy, amino, methylamino, dimethylamino, or C.sub.1-3 alkyl substituted with C.sub.1-2 alkoxy, C.sub.1-2 haloalkoxy, thiol, methylthio, cyano or hydroxy; A represents a group selected from A1 to A4 having general formulae (b), and a herbicidal composition containing these derivatives.
本发明涉及一种由通式(I)表示的噻吩磺酰脲衍生物,其制备方法以及使用它的除草剂;和其盐,其中T代表具有通式(a)的T1、T2或T3基团,其中E代表直接键;R代表氢或C.sub.1-4酰基;R.sup.1代表被1至3个卤原子取代的C.sub.1-6烷基;R.sup.2代表氢、C.sub.1-3烷基、C.sub.1-3卤代烷基、卤素、氰基、C.sub.1-3烷氧基、C.sub.1-3卤代烷氧基、氨基、甲胺基、二甲胺基,或被C.sub.1-2烷氧基、C.sub.1-2卤代烷氧基、硫醇、甲硫基、氰基或羟基取代的C.sub.1-3烷基;A代表从具有通式(b)的A1到A4中选择的基团,以及含有这些衍生物的除草剂组合物。