申请人:Laboratoire Roger Bellon
公开号:US05004745A1
公开(公告)日:1991-04-02
New benzo[b][1,8]naphthyridine derivatives of general formula (I) in which R.sub.1 is a hydrogen atom or an alkyl or hydroxyalkyl radical, R.sub.2 is a hydrogen atom or an alkyl, fluoroalkyl, cycloalkyl (3 to 6 C), alkoxy or alkylamino radical and R.sub.3 is alkyl, R.sub.4 and R.sub.5 are different and are hydrogen or alkyl, or R.sub.3 is H, alkyl or cycloalkyl and R.sub.4 and R.sub.5 are hydrogen, R.sub.6 is hydrogen or fluorine and n is equal to 1 or 2, their salts, their preparation and the compositions which contain them. These new products are used as antimicrobial agents ##STR1##
新的苯并[b][1,8]萘啉衍生物的一般式(I),其中R.sub.1是氢原子或烷基或羟基烷基基团,R.sub.2是氢原子或烷基,氟代烷基,环烷基(3到6个碳原子),烷氧基或烷基氨基基团,R.sub.3是烷基,R.sub.4和R.sub.5不同,是氢或烷基,或R.sub.3是H,烷基或环烷基,R.sub.4和R.sub.5是氢,R.sub.6是氢或氟,n等于1或2,它们的盐,它们的制备和包含它们的组合物。这些新产品用作抗微生物剂。##STR1##