申请人:RHONE POULENC AGRICULTURE LTD.
公开号:EP0508800A1
公开(公告)日:1992-10-14
Benzimidazolyl derivatives of formula
wherein Y represents:-
an optionally substituted alkyl, alkenyl or alkynyl group; or an optionally substituted cycloalkyl group; or a group -SR, -OR, halogen, aryl or aralkyl; or 2 groups Y form a fused phenyl ring;
R2 represents a group -OH, -NR7R8 or -XM;
A represents a group -SO2NR7R8;
Y1 represents an optionally substituted alkyl, alkenyl or alkynyl group; or an optionally substituted cycloalkyl group; or a group such as -SR, -OR, halogen, aryl, aralkyl, -O-aryl or -NR7R8;
n represents one or two;
m represents an integer from 1 to 4;
R represents an optionally substituted alkyl group; or an optionally substituted cycloalkyl group;
R7 and R8 represent independently a group such as hydrogen, R, aryl or aralkyl; X represents oxygen or sulphur;
M represents an optionally substituted alkyl group; or an optionally substituted cycloalkyl group; or an aryl, aralkyl, alkenyl, alkynyl, or an imine group; agriculturally acceptable salts thereof;
the herbicidal compositions comprising these compounds and their application to crop protection is described.
Benzimidazolyl衍生物的化学式中,其中Y代表:一个可选择取代的烷基,烯基或炔基团; 或一个可选择取代的环烷基团; 或一个-SR,-OR,卤素,芳基或芳基烷基; 或2个Y形成一个融合苯环; R2代表一个羟基,-NR7R8或-XM的基团; A代表一个-SO2NR7R8的基团; Y1代表一个可选择取代的烷基,烯基或炔基团; 或一个可选择取代的环烷基团; 或一个如-SR,-OR,卤素,芳基,芳基烷基,-O-芳基或-NR7R8的基团; n代表1或2; m代表从1到4的整数; R代表一个可选择取代的烷基团; 或一个可选择取代的环烷基团; R7和R8独立地代表氢,R,芳基或芳基烷基等基团; X代表氧或硫; M代表一个可选择取代的烷基团; 或一个可选择取代的环烷基团; 或一个芳基,芳基烷基,烯基,炔基或亚胺基团; 以及其农业上可接受的盐; 描述了包含这些化合物的除草剂组合物以及它们在作物保护中的应用。