申请人:Bayer Aktiengesellschaft
公开号:US04705788A1
公开(公告)日:1987-11-10
Novel antibacterially active 7-amino-1-(substituted cyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids of the formula ##STR1## in which X.sup.1 and X.sup.2 can be identical or different and represent hydrogen or halogen, R.sub.1, R.sub.2 and R.sub.3 represent hydrogen, methyl, chlorine or fluorine, the radicals R.sub.1 -R.sub.3 never all being identical, and R.sup.4 and R.sup.5, together with the nitrogen atom to which they are bonded, form a 5-membered or 6-membered heterocyclic ring which may be substituted.
具有新型抗菌活性的7-氨基-1-(取代环丙基)-1,4-二氢-4-氧基-3-喹啉羧酸的化合物,其化学式为##STR1## 其中X.sup.1和X.sup.2可以相同或不同,代表氢或卤素,R.sub.1,R.sub.2和R.sub.3代表氢、甲基、氯或氟,基团R.sub.1-R.sub.3永远不全相同,而R.sup.4和R.sup.5与它们所连接的氮原子形成一个可以被取代的5元或6元杂环。