申请人:Kanebo, Ltd.
公开号:US05166203A1
公开(公告)日:1992-11-24
Novel quinolinecarboxylic acid derivatives of the formula: ##STR1## wherein Z is ##STR2## or ##STR3## in which R.sup.1 is hydrogen atom, a halogen atom, hydroxy or a lower alkyloxy; R.sup.2 is a halogen atom, hydroxy or a lower alkyloxy; R.sup.3 is a lower alkyl; and R.sup.4 is hydroxy or a di(lower alkyl)amino, and a pharmaceutically acceptable salt thereof, which have excellent antibacterial activities and are useful as an antibacterial agent, a pharmaceutical composition containing the same, and process for preparing the same.
新型喹啉羧酸衍生物的化学式为:##STR1## 其中 Z 为 ##STR2## 或 ##STR3##,其中 R.sup.1 为氢原子、卤原子、羟基或较低的烷氧基;R.sup.2 为卤原子、羟基或较低的烷氧基;R.sup.3 为较低的烷基;R.sup.4 为羟基或二(较低的烷基)氨基,以及其在药学上可接受的盐,具有优异的抗菌活性,可用作抗菌剂,含有相同化合物的药物组合物,以及制备相同化合物的方法。