The present invention relates to S-(-)-optically pure benzoquinolizine carboxylic acid of formula I, and their pharmaceutically acceptable salts, substantially free of their R-(+)-isomers, to processes for their preparation and to pharmaceutical compositions comprising an active compound of the invention. The compounds have excellent antibacterial activity. The compounds and compositions can be used for the treatment of local and systemic bacterial infections, diseases and disorders caused by antibiotic-sensitive and antibiotic-resistant microbial strains, without the concomitant liability of adverse effects associated with the racemic mixture of the active compound of the invention.
本发明涉及式 I 的 S-(-)-光学纯苯喹嗪
羧酸及其药学上可接受的盐(基本上不含其 R-(+)-异构体)、其制备工艺以及含有本发明活性化合物的药物组合物。这些化合物具有优异的抗菌活性。这些化合物和组合物可用于治疗由抗生素敏感和抗生素耐药微
生物菌株引起的局部和全身性细菌感染、疾病和紊乱,而不会产生与本发明活性化合物外消旋混合物相关的不良反应。