A herbicide comprising as an active ingredient an α,β-unsaturated compound of the following formula (I)
wherein each of R' and R2 represents CN, NO2, a halogen, a C1-25 alkoxy or alkylthio, a group of the formula
in which Z' represents C1-25 alkyl or a phenyl, a group of the formula
in which X's represent an oxygen or sulfur atom and Z2 represents hydrogen, one equivalent of a cation, C1-25 alkyl, a phenyl or a phenyl (C1-25 alkyl), a group of the formula
一种
除草剂,其活性成分为下式(I)的α,β-不饱和化合物
其中 R'和 R2 各自代表 CN、
NO2、卤素、C1-25 烷氧基或烷基
硫代、一个式中的基团
其中 Z'代表 C1-25 烷基或苯基,一个式基团
式中 X 代表氧原子或
硫原子,Z2 代表氢、一个当量的阳离子、C1-25 烷基、苯基或苯基(C1-25 烷基)、一个式基团