Condensed heterocyclic compounds, a process for preparing the same and a herbicidal composition thereof
申请人:DAICEL CHEMICAL INDUSTRIES, LTD.
公开号:EP0312019A2
公开(公告)日:1989-04-19
A compound of the formula (I)
, wherein A is an alkylene or alkenylene group, R1 is an aryl group which may be substituted, R2 is hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a halogenated lower alkyl group, a cycloalkyl group, a lower alkoxyalkyl group, a lower alkylthioalkyl group, a phenyl group which may be substituted or an aralkyl group which may be substituted, R3 is hydrogen atom, a halogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a halogenated lower alkyl group, or R2 and R3 may be combined to form a group of -(CH2)n- (n is 3 or 4), or salt thereof, which is useful as herbicide.
式(I)化合物
其中 A 为亚烷基或烯基;R1 为可被取代的芳基;R2 为氢原子、低级烷基、低级烯基、低级炔基、卤代低级烷基、环烷基、低级烷氧基烷基、低级烷
硫基烷基、R3 是氢原子、卤素原子、低级烷基、低级烯基、低级炔基或卤代低级烷基,或 R2 和 R3 可以组合成-(
CH2)n-(n 为 3 或 4)的基团或其盐,用作
除草剂。