申请人:Zeneca Limited
公开号:US05705456A1
公开(公告)日:1998-01-06
Compounds of formula I: ##STR1## where n is 0 or an integer from 1 to 5; X is halogen, nitro or cyano, or C.sub.1-10 hydrocarbyl or C.sub.1-10 hydrocarbyloxy, either of which may be substituted with one or more halogen atoms; Y is CH.sub.2, O or S; and R.sup.1 and R.sup.2 independently represent hydrogen, C.sub.1-6 alkyl, C.sub.1-6 haloalkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl or halogen; Processes for the preparation of compounds of formula I, herbicidal compositions and methods utilising them are also disclosed.
化合物的化学式为:##STR1## 其中n为0或1到5之间的整数;X为卤素、硝基或氰基,或者是C.sub.1-10烃基或C.sub.1-10烃氧基,其中任何一种可能被一个或多个卤素原子取代;Y为CH.sub.2、O或S;R.sup.1和R.sup.2独立地表示氢、C.sub.1-6烷基、C.sub.1-6卤代烷基、C.sub.2-6烯基、C.sub.2-6炔基或卤素;还公开了制备化合物的方法、除草剂组合物和利用它们的方法。