申请人:SAGAMI CHEMICAL RESEARCH CENTER
公开号:EP0496347A2
公开(公告)日:1992-07-29
Disclosed are fluorobenzene derivatives, which are important intermediates for producing herbicidal oxazolidinedione derivatives, and methods of producing them. The fluorobenzene derivatives include compounds of formula (11):
where X is a halogen atom, R³ is a nitro, amino or isocyanato group or R¹OCONH, and R¹ is an alkyl or phenyl group. Via the intermediates of the invention, oxazolidinedione derivatives can be produced with high yield.
本发明公开了作为生产除草剂噁唑烷二酮衍生物重要中间体的氟苯衍生物及其生产方法。氟苯衍生物包括式(11)化合物:
其中 X 为卤素原子,R³ 为硝基、氨基或异氰酸基或 R¹OCONH,R¹ 为烷基或苯基。通过本发明的中间体,可以高产率生产噁唑烷二酮衍生物。