申请人:Dainippon Pharmaceutical Co., Ltd.
公开号:US04352803A1
公开(公告)日:1982-10-05
This invention relates to 1,8-naphthyridine compounds of the formula ##STR1## wherein X is a halogen atom especially fluorine atom, R.sub.1 is an ethyl group or a vinyl group, and R.sub.2 is a hydrogen atom or a lower alkyl group, their salts and processes for the preparation of them. The 1,8-naphthyridine compounds and their salts are useful as antibacterial agents and intermediates thereof.
这项发明涉及到式子##STR1##中的1,8-萘啶化合物,其中X是卤素原子,特别是氟原子,R.sub.1是乙基基团或乙烯基团,R.sub.2是氢原子或低碳基团,它们的盐以及它们的制备方法。这些1,8-萘啶化合物及其盐可用作抗菌剂及其中间体。