Morgan & Finnegan
Benzo[1,8]naphthyridine derivatives as antimicrobials
 New benzo[b][1,8]naphthyridine derivatives of general formula (I), in which R is a hydrogen atom or an alkyl, fluoroalkyl, cycloalkyl (3 to 6 C), alkoxy or alkylamino radical or an amine protective radical and either Hal is a fluorine, chlorine or bromine atom and R' is a hydrogen atom or Hal and R' are simultaneously fluorine atoms, their salts, their preparation and the compositions which contain them. These new products can be used as antimicrobial agents for topical application or as synthesis intermediates. ##STR1## 
Rhone-Poulenc Sante
C A
C07D A61P
inventional inventional
Jean-Francois Guy Michel Michel Philippe
Desconclois Picaut Barreau Antoine Girard