申请人:Shell Internationale Research Maatschappij B.V.
公开号:US05073192A1
公开(公告)日:1991-12-17
Phenoxy phthalide derivatives having the general formula II: ##STR1## wherein R.sub.1 represents a hydrogen or halogen atom or an alkyl or haloalkyl group; R.sub.2 and R.sub.3, which may be the same or different, each independently represents a hydrogen or halogen atom or an alkyl, haloalkyl, nitro or cyano group; R.sub.4 represents a saturated alkyl group; R.sub.5 represents an unsaturated alkyl group; and X represents an oxygen or sulphur atom, are useful as herbicides.
苯氧基邻苯二甲酸酯衍生物具有通式II:##STR1## 其中R.sub.1代表氢或卤素原子或烷基或卤代烷基;R.sub.2和R.sub.3,可以相同或不同,各自独立地代表氢或卤素原子或烷基,卤代烷基,硝基或氰基;R.sub.4代表饱和烷基;R.sub.5代表不饱和烷基;X代表氧或硫原子,可用作除草剂。