The invention relates to 7-amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxyli c acids, processes for their preparation and compositions containing them as antibacterial agents. Also included in the invention are methods for treating bacterial infection using the compounds and compositions of the invention.
4-oxo-1,4-dihydroquinoline-3-carboxylic acid derivative as antibacterial
申请人:Warner-Lambert Company
公开号:US04822801A1
公开(公告)日:1989-04-18
Novel naphthyridine-, quinoline- and benzoxazinecarboxylic acids as antibacterial agents are described as well as methods for their manufacture, formulation, and use in treating bacterial infections including the description of certain novel intermediates used in the manufacture of the antibacterial agents.
Process for quinoline-3-carboxylic acid antibacterial agents
申请人:Warner-Lambert Company
公开号:US04578473A1
公开(公告)日:1986-03-25
An improved process for the preparation of 7-substituted amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids is described where an alkyl ester of a 6,7,8-trifluoro precursor is converted to a trialkylsilyl ester which fluorine at C.sub.7 is directly displaced to the desired product.