申请人:Ube Industries, Ltd.
公开号:US06160171A1
公开(公告)日:2000-12-12
The present invention is to provide a trifluoro-substituted benzoic acid, an ester thereof, particularly 2,3,4-trifluoro-5-iodobenzoic acid, 2,3,4-trifluoro-5-trifluoromethylbenzoic acid, esters thereof, which are useful as a starting material for synthesizing a quinolonecarboxylic acid compound useful as a medicine, an anti-bacterial agent or an antiviral agent, and processes for preparing these compounds and 2,4,5-trifluoro-3-iodobenzoic acid, 2,4,5-trifluoro-3-trifluoromethylbenzoic acid and esters thereof.
本发明提供了一种三氟代苯甲酸及其酯,特别是2,3,4-三氟-5-碘代苯甲酸,2,3,4-三氟-5-三氟甲基苯甲酸,以及这些化合物的酯,这些化合物可作为合成喹诺酮羧酸化合物的起始物质,该化合物可用作药物、抗菌剂或抗病毒剂,以及制备这些化合物和2,4,5-三氟-3-碘代苯甲酸,2,4,5-三氟-3-三氟甲基苯甲酸及其酯的方法。