SUBSTITUTED TRIFLUOROBENZOIC ACIDS, ESTERS THEREOF, AND PROCESS FOR PRODUCING THE SAME
申请人:Ube Industries, Ltd.
公开号:EP0968994A1
公开(公告)日:2000-01-05
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.
本发明旨在提供一种三氟取代苯甲酸及其酯类,特别是2,3,4-三氟-5-碘苯甲酸、2,3,4-三氟-5-三氟甲基苯甲酸及其酯类、2,4,5- 三氟-3-碘苯甲酸、2,4,5-三氟-3-三氟甲基苯甲酸及其酯类,这些化合物可作为合成用作药物、抗菌剂或抗病毒剂的喹啉羧酸化合物的起始原料,以及制备这些化合物和 2,4,5-三氟-3-碘苯甲酸、2,4,5-三氟-3-三氟甲基苯甲酸及其酯类的工艺。