Novel 1-thienyl-4-oxoquinoline-3-carboxylic acid compounds of the formula:
wherein R' is an amino (lower) alkyl, R2 is thienyl, and X is a halogen atom, and a pharmaceutically acceptable salt thereof, said compounds having excellent antimicrobial activity and hence being useful as an antimicrobial agent, and a pharmaceutical composition comprising as an active ingredient said 1-thienyl-4-oxoquinoline-3-carboxylic acid compounds or a pharmaceutically acceptable salt thereof in admixture with a pharmaceutically acceptable diluent or carrier.
式中的新型 1-
噻吩基-4-氧代
喹啉-3-羧酸化合物:
其中 R' 为
氨基(低级)烷基,R2 为
噻吩基,X 为卤素原子,以及其药学上可接受的盐,所述化合物具有优异的抗菌活性,因此可用作抗菌剂,以及一种药物组合物,其活性成分包括所述 1-
噻吩基-4-氧代
喹啉-3-羧酸化合物或其药学上可接受的盐,并与药学上可接受的稀释剂或载体混合。