Process for preparing 2-chloro-4,5-difluorobenzoic acid
申请人:American Cyanamid Company
公开号:US04833270A1
公开(公告)日:1989-05-23
This disclosure describes a novel process for preparing 2-chloro-4,5-difluorobenzoic acid which is useful in the preparation of 7-(substituted)piperazinyl-1-substituted-6-fluoro-1,4-dihydro-4-oxo-3-quin oli necarboxylic acid antibacterial agents.