申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0400741A1
公开(公告)日:1990-12-05
Compounds of formula I
wherein
A is nitrogen or a group CR5;
each of R1, R2 and R5 is, independently, hydrogen, halogen, formyl, cyano, carboxy, azido or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio, alkylcarbonyl, alkoxycarbonyl, amino, aminoxy or dialkyliminoxy; and R is
in which R3 is hydrogen, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclic or aryl, or COR8, R8 being hydroxy, alkoxy, carboxy. alkoxycarbonyl, amino or mono- or di- alkylamino: and
R4is a group COR6 wherein R6 is hydrogen, halogen, hydroxy, or optionally substituted alkoxy. alkenyloxy, alkynyloxy, cycloalkoxy, aryloxy. alkylthio, alkenylthio, alkynylthio, arylthio, aminoxy. dialkyliminoxy or amino, or R6 is a group OR7 in which R7 is an optionally substituted heterocyclic ring; or
each of R9 and R10 being, independently, hydrogen or alkyl:
or a carboxylic acid salt of a compound with an equivalent amount of an inorganic or organic cation: have herbicidal properties. The invention also provides processes for their preparation and their use as herbicides.
式 I 的化合物
式中
A 是氮或基团 CR5;
R1、R2 和 R5 中的每一个独立地是氢、卤素、甲酰基、
氰基、羧基、
叠氮基或任选取代的烷基、烯基、炔基、环烷基、烷氧基、烯氧基、炔氧基、芳氧基、烷
硫基、烯
硫基、炔
硫基、芳
硫基、烷基羰基、烷氧基羰基、
氨基、酰胺氧基或二烷基亚酰胺氧基;以及 R 是
其中 R3 是氢、任选取代的烷基、烯基、炔基、环烷基、杂环基或芳基,或 COR8,R8 是羟基、烷氧基、羧基、烷氧羰基、
氨基或单或双烷基
氨基:和
R4 是一个基团 COR6,其中 R6 是氢、卤素、羟基或任选取代的烷氧基、烯氧基、炔氧基、环烷氧基、芳氧基、烷
硫基、烯
硫基、炔
硫基、芳
硫基、
氨基、二烷基亚
氨基或
氨基,或 R6 是一个基团 OR7,其中 R7 是任选取代的杂环;或
R9和R10各自独立地为氢或烷基:
或化合物的
羧酸盐与等量的无机或有机阳离子:具有除草特性。本发明还提供了它们的制备工艺及其作为
除草剂的用途。