申请人:ICI AUSTRALIA LIMITED
公开号:EP0395251A1
公开(公告)日:1990-10-31
Compounds of the formula
and salts thereof, W being O or S; a being a nitogen-containing heterocyclic ring system; E being O, S(O)m or NR₄ where m is 0-2; E₁ and E₂ being independently CH₂, CH₂CH₂, CH(C₁-C₄ alkyl), C(C₁-C₄ alkyl)₂ or CH(aryl), with the proviso that E₁ and E₂ cannot both be CH₂CH₂; R₁ and R₂ are independently hydrogen, halogen or one of a variety of organic substituents.
The compounds are effective herbicides.
该化合物的配方及其盐,其中W为O或S;a为含氮杂环环系统;E为O,S(O)m或NR4,其中m为0-2;E₁和E₂分别独立为CH₂,CH₂CH₂,CH(C₁-C₄烷基),C(C₁-C₄烷基)₂或CH(芳基),但E₁和E₂不能同时为CH₂CH₂;R₁和R₂独立地为氢,卤素或各种有机取代基。这些化合物是有效的除草剂。