Cyclohexane dione derivatives, their use as herbicides, herbicidal compositions containing them, and methods of preparing them
申请人:ICI AUSTRALIA LIMITED
公开号:EP0085530A2
公开(公告)日:1983-08-10
The invention concerns novel compounds of the formula
wherein
Z is selected from hydrogen, halogen, C1 to C6 alkyl, and C, to C6 alkoxy;
Y is selected from halogen, C, to C6 alkyl and C1 to C6 alkoxy;
X is selected from halogen, C, to C6 alkyl and C1 to C6 alkoxy and if Y is methyl and Z is hydrogen or methyl then at least one of X is not methyl;
R is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;
R2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;
R3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl; and
m is an integer chosen from 1 to 3.
The compounds are cereal selective herbicides and in further embodiments the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.
本发明涉及式如下的新型化合物
式中
Z 选自氢、卤素、C1 至 C6 烷基和 C1 至 C6 烷氧基;
Y 选自卤素、C 至 C6 烷基和 C1 至 C6 烷氧基;
X 选自卤素、C, to C6 烷基和 C1 to C6 烷氧基,如果 Y 是甲基且 Z 是氢或甲基,则 X 中至少有一个不是甲基;
R 选自氢、烷基、烯基、炔基、取代烷基、烷基磺酰基、芳基磺酰基、酰基和无机或有机阳离子;
R2 选自烷基、取代烷基、烯基、卤代烯基、炔基和卤代炔基;
R3 选自烷基、氟烷基、烯基、炔基和苯基;以及
m 是选自 1 至 3 的整数。
这些化合物是谷物选择性除草剂,在进一步的实施方案中,本发明提供了制备式 I 化合物的工艺、制备式 I 化合物的中间体、含有式 I 化合物作为活性成分的除草组合物,以及通过向植物或植物的生长介质施用有效量的式 I 化合物来严重损害或杀死不需要的植物的工艺。