申请人:Bayer Aktiengesellschaft
公开号:US04820716A1
公开(公告)日:1989-04-11
7-(1-Pyrrolidinyl)-3-quinolonecarboxylic acid derivatives of the formula ##STR1## in which A is CH, CCl, CF or N, R.sup.1 is hydroxyl, hydroxymethyl or mercapto and R.sup.2 is hydrogen, alkyl, having 1 to 4 carbon atoms or (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl, with the proviso that, when R.sup.1 is hydroxy, A is not CF or N, or pharmaceutically acceptable hydrates, or salts thereof, are useful as antibacterials and animal feed utilization promoters.
7-(1-吡咯基)-3-喹啉羧酸衍生物的化学式为##STR1## 其中A为CH,CCl,CF或N,R.sup.1为羟基,羟甲基或巯基,R.sup.2为氢,烷基,含有1至4个碳原子或(5-甲基-2-氧代-1,3-二氧杂环己基)甲基,但当R.sup.1为羟基时,A不是CF或N,或其药学上可接受的水合物或盐,可用作抗菌剂和动物饲料利用促进剂。