申请人:ICI AUSTRALIA OPERATIONS PROPRIETARY LIMITED
公开号:EP0313311A2
公开(公告)日:1989-04-26
Compounds of the formula
and salts thereof, W and W, being independently 0 and S, A being a nitrogen-containing heterocyclic ring system, E being 0, S(O)m or NR3 where m is 0-2, R1, R2 and R3 is hydrogen, C1-C4 alkyl or C2-C4. alkenyl or alkynyl and E1 being hydrogen, halogen or one of a variety of organic substituents.
The compounds are effective herbicides.
式中的化合物及其盐
及其盐类,W 和 W 独立地为 0 和 S,A 为含氮杂环系统,E 为 0、S(O)m 或 NR3(其中 m 为 0-2),R1、R2 和 R3 为氢、C1-C4 烷基或 C2-C4.烯基或炔基,E1 为氢、卤素或多种有机取代基之一。
这些化合物是有效的除草剂。