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-羧酸衍生物的公式为##STR1##
其中,Y为羧基或其衍生物,R1,R2,R3,R4,X1,X2和X5为H或不同的基团,Z为O,NH,取代的NH,--CON<或--SO.sub.2 N<,m和n为0或1,A,B,D和E为CH或取代的C,其中最多三个为N,以及其生理上可接受的盐。新的中间体也被描述,以及制造中间体和最终产物的过程。