申请人:Imperial Chemical Industries PLC
公开号:US05182402A1
公开(公告)日:1993-01-26
A method of killing or controlling unwanted plants by applying to the plant on to a locus thereof an effective amount of a compound of formula (I) ##STR1## or a salt thereof: wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are independently selected from hydrogen, hydroxy, alkyl, alkoxy, alkylcarbonyl, halogen, cyans, nitro, haloalkyl and haloalkoxy; R.sup.6 is hydrogen, hydroxy, amino, lower alkyl, halogen, cyano, haloalkyl, nitro, aryl, or a group C(O).sub.m R.sup.10, wherein R.sup.10 is hydrogen, alkyl, alkenyl, alkynyl or phenyl any of which may be optionally substituted and m is 1 or 2; R.sup.7 is hydrogen, lower alkyl, haloalkyl, C(O).sub.m R.sup.10 or halogen; or R.sup.6 and R.sup.7 together form an optionally substituted alkylene chain of 2 or 3 carbon atoms; R.sup.8 is hydrogen, lower alkyl or halogen or the group R.sup.7 or R.sup.8 together form an oxo group; and the group CZR.sup.9 is carboxy or an ester thereof, or R.sup.9 is a group SR.sup.10 or NR.sup.11 R.sup.12 wherein R.sup.11 is hydrogen or alkyl and R.sup.12 is hydrogen, alkyl, S(O).sub.n R.sup.10 wherein n is 0, 1 or 2; or R.sup.9 is a group NR.sup.11 NR.sup.13 R.sup.14 wherein R.sup.11, R.sup.13 and R.sup.14 are independently selected from hydrogen or alkyl; or R.sup.9 is a group --N.sup..sym. R.sup.11 NR.sup.13 R.sup.14 R.sup.20 x.sup..crclbar. wherein R.sup.11, R.sup.13, R.sup.14 and R.sup.20 are each hydrogen or alkyl, and x.sup.- is an agricultrually acceptable anion, and Z is oxygen or sulphur. Herbicidal compositions containing compounds of formula (I) are also claimed together with certain novel sub groups of compounds of formula (I) and processes for their preparation.
一种通过向植物或其生长部位施加公式(I)化合物或其盐的有效量来杀灭或控制不需要的植物的方法:其中R1、R2、R3、R4和R5分别选自氢、羟基、烷基、烷氧基、烷基羰基、卤素、氰基、硝基、卤代烷基和卤代烷氧基;R6为氢、羟基、氨基、低烷基、卤素、氰基、卤代烷基、硝基、芳基或C(O)mR10基团,其中R10为氢、烷基、烯基、炔基或苯基,其中任何一个都可以选择性地被取代,m为1或2;R7为氢、低烷基、卤代烷基、C(O)mR10或卤素;或R6和R7一起形成一个可选择性取代的2或3个碳原子的烷基链;R8为氢、低烷基或卤素,或者R7或R8一起形成一个氧代基团;以及CZR9基团为羧基或其酯,或者R9为SR10或NR11R12基团,其中R11为氢或烷基,R12为氢、烷基、S(O)nR10,其中n为0、1或2;或者R9为NR11NR13R14基团,其中R11、R13和R14分别选自氢或烷基;或者R9为-NR11NR13R14R20x-基团,其中R11、R13、R14和R20分别为氢或烷基,x-为农业可接受的阴离子,Z为氧或硫。还声明了含有公式(I)化合物的除草剂组合物,以及公式(I)化合物的某些新的亚组和其制备方法。