申请人:Rhone-Poulenc Sante
公开号:US04970213A1
公开(公告)日:1990-11-13
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, alkylamino or protected alkylamino radical, Hal is F, Cl or Br if R' is hydrogen, or Hal and R' are F, and Alk is an alkyl radical, and their preparation. These new products can be used as intermediates for the preparation of biologically active products. ##STR1##
通用公式(I)的新苯并[b][1,8]萘啉衍生物,其中R是氢原子或烷基、氟烷基、环烷基(3到6个碳原子)、烷氧基、烷基氨基或保护的烷基氨基基团,Hal是F、Cl或Br,如果R'是氢,则Hal和R'是F,Alk是烷基基团,以及它们的制备。这些新产品可用作制备生物活性产物的中间体。