申请人:Bayer Aktiengesellschaft
公开号:US04725595A1
公开(公告)日:1988-02-16
Antibacterially active new 1,8-bridged 4-quinolone-3-carboxylic acid derivatives of the formula ##STR1## in which Y is carboxyl or a derivative thereof R.sup.1, R.sup.2, R.sup.3, R.sup.4, X.sup.1, X.sup.2 and X.sup.5 are H or various radicals, Z is O, NH, substituted NH, --CON< or --SO.sub.2 N<, m and n are 0 or 1, and A, B, D and E are CH or substituted C or up to three of them are N, and physiologically acceptable salts thereof. Novel intermediates are described as well as processes for making the intermediates and end products.
具有抗菌活性的新型1,8-桥联4-喹啉-3-羧酸衍生物的化学式为##STR1## 其中Y为羧基或其衍生物,R1、R2、R3、R4、X1、X2和X5为H或各种基团,Z为O、NH、取代NH、--CON<或--SO.sub.2 N<,m和n为0或1,A、B、D和E为CH或取代C,其中最多三个为N,以及其生理上可接受的盐。本发明还描述了新的中间体以及制备中间体和终产品的过程。