申请人:ZENECA LIMITED
公开号:EP0355049A2
公开(公告)日:1990-02-21
A herbicidal compound of formula (I):
in which R' is independently selected from H, CN, N02, halogen, lower alkyl, lower haloalkyl; m is an integer of from 1 to 4; R2 is N or CR' where R1 is as defined above; R3 is a group of formula (a), (b) or (c):
or N-oxide or quaternary salt derivatives thereof wherein R4 is a specified organic group. Processes for the preparation of these compounds and compositions containing them are also described.
公式(I)的除草化合物:其中R'独立地选自H、CN、N02、卤素、较低的烷基、较低的卤代烷基;m是1到4的整数;R2是N或CR',其中R1如上所定义;R3是公式(a)、(b)或(c)的基团:或其N-氧化物或季铵盐衍生物,其中R4是指定的有机基团。还描述了制备这些化合物和含有它们的组合物的方法。