申请人:ICI AUSTRALIA LIMITED
公开号:EP0364141A1
公开(公告)日:1990-04-18
Compounds of the formula
and salts thereof, W and W, being independently O and S, A being a nitrogen-containing heterocyclic ring system, E being O, 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.
该化合物的结构式及其盐,其中W和W独立地表示O和S,A表示含氮的杂环环系统,E表示O,S(O)m或NR₃,其中m为0-2,R₁,R₂和R₃表���氢,C₁-C₄烷基或C₂-C₄烯基或炔基,E₁表示氢,卤素或多种有机取代基之一。这些化合物具有有效的除草剂作用。