申请人:Bayer Aktiengesellschaft
公开号:US04990517A1
公开(公告)日:1991-02-05
7-(1-Pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives, of the formula ##STR1## in which X.sup.1 is halogen, X.sup.2 is hydrogen, halogen, amino or other radical, R.sup.1 is alkyl, cycloalkyl, optionally substituted phenyl or other radical, R.sup.2 is hydrogen, alkyl or a dioxolylmethyl radical, R.sup.3 is ##STR2## A is N, CH, C-halogen, or the like, or forms a bridge with R.sup.1, and addition products thereof.
7-(1-吡咯啉基)-3-喹啉基-和-萘啉基羧酸衍生物作为抗菌剂和饲料添加剂,其化学式为##STR1##其中X.sup.1为卤素,X.sup.2为氢、卤素、氨基或其他基团,R.sup.1为烷基、环烷基、可选择取代的苯基或其他基团,R.sup.2为氢、烷基或二氧杂环丙基基团,R.sup.3为##STR2##A为N、CH、C-卤素或类似物,或与R.sup.1形成桥梁的结合物。