申请人:Agrevo UK Limited
公开号:US05559081A1
公开(公告)日:1996-09-24
Herbicidal sulfonamides of the formula: ##STR1## and salts thereof, where: A represents a substituted or unsubstituted benzene ring, or a 5- or 6-membered substituted or unsubstituted heteroaromatic ring; Q is --O--, --S-- or a group --CXX'--; X and X', which may be the same or different, are each hydrogen, halogen, cyano, an optionally-substituted alkyl group, or a group --OR.sup.a, --SR.sup.a, or --COR.sup.b ; or one of X and X' represents hydroxy and the other is as defined above; or X and X' together represent .dbd.O or .dbd.S; R.sup.a is an optionally-substituted alkyl, aryl or acyl group; R.sup.b is an optionally-substituted alkyl or aryl group, or a group --OR.sup.c or --NR.sup.c R.sup.d ; R.sup.c and R.sup.d, which may be the same or different, are each hydrogen, or an optionally-substituted alkyl or aryl group; Y is nitrogen or a group CR.sup.9 ; R.sup.1 is an optionally-substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, benzoheterocyclyl or amino group; R.sup.2 is hydrogen, an optionally-substituted alkyl or carboxylic acyl group, or a group --SO.sub.2 R.sup.1 ; R.sup.3 and R.sup.4, which may be the same or different, are each hydrogen, halo, an optionally substituted alkyl, alkoxy, cycloalkyl or amino group, or an optionally-substituted heterocyclyl group; and R.sup.9 represents hydrogen or an optionally-substituted alkyl group.
化学式为:##STR1## 的除草磺胺类化合物及其盐,其中:A代表取代或未取代的苯环,或取代或未取代的5-或6-元杂环芳香环;Q为--O--,--S--或--CXX'--基团;X和X',可以相同也可以不同,分别为氢、卤素、氰基、可选择取代的烷基基团,或--OR.sup.a,--SR.sup.a或--COR.sup.b基团;或者X和X'中的一个代表羟基,另一个如上定义;或者X和X'在一起表示.dbd.O或.dbd.S;R.sup.a为可选择取代的烷基、芳基或酰基基团;R.sup.b为可选择取代的烷基或芳基基团,或--OR.sup.c或--NR.sup.cR.sup.d基团;R.sup.c和R.sup.d,可以相同也可以不同,分别为氢,或可选择取代的烷基或芳基基团;Y为氮或--CR.sup.9基团;R.sup.1为可选择取代的烷基、烯基、炔基、环烷基、芳基、杂环芳基、苯并杂环芳基或氨基基团;R.sup.2为氢、可选择取代的烷基或羧酰基团,或--SO.sub.2R.sup.1基团;R.sup.3和R.sup.4,可以相同也可以不同,分别为氢、卤素、可选择取代的烷基、烷氧基、环烷基或氨基基团,或可选择取代的杂环芳基基团;R.sup.9代表氢或可选择取代的烷基基团。