申请人:KYORIN PHARMACEUTICAL CO., LTD.
公开号:EP0230947A1
公开(公告)日:1987-08-05
The present invention is concerned with certain novel halogenobenzoic acid derivatives of the following formula,
wherein R is a chlorine atom, amino group or hydroxy group, X is a chlorine atom or bromine atom, which are useful intermediates for the synthesis of antibacterial agent.
本发明涉及下式中 R 为
氯原子、
氨基或羟基,X 为
氯原子或
溴原子的某些新型卤代
苯甲酸衍
生物,它们是合成抗菌剂的有用中间体。