QUINOLINE DERIVATIVE, ANTIULCER DRUG CONTAINING THE SAME, AND PRODUCTION OF SAID DERIVATIVE
申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:EP0480052A1
公开(公告)日:1992-04-15
A quinoline derivative of general formula (I) and its salt, useful as an antiulcer drug, wherein R¹ represents lower alkoxy, halogen, lower alkyl, lower alkylthio, lower alkanoyloxy-substituted lower alkyl, halogenated lower alkyl or hydroxylated lower alkyl; R² and R³ may be the same or different from each other and each represents hydrogen, loweralkyl, halogenated lower alkyl, C₃ to C₈ cycloalkyl, cycloalkyl-substituted lower alkyl, lower alkenyloxy, lower alkenyl, lower alkoxy-substituted lower alkyl, phenyl-substituted lower alkyl, lower alkynyl, lower alkylphenyl or hydroxylated lower alkyl; R⁴ represents phenyl, tetrahydronaphthyl or naphthyl which may be each substituted with one or two members selected from the group consisting of lower alkyl, halogen, lower alkoxy, lower alkylthio, lower alkanoyl, phenyl, cyano, lower alkynylsulfinyl, lower alkoxycarbonyl, lower alkenylthio, phenyl-substituted lower alkylthio, benzoyl, hydroxylated lower alkyl, lower alkanoyloxy-substituted lower alkyl, lower alkanoyloxy and hydroxyl; and n is 0, 1 or 2.
一种通式(I)的喹啉衍生物及其盐,可用作抗溃疡药物,其中 R¹ 代表低级烷氧基、卤素、低级烷基、低级烷硫基、低级烷酰氧基取代的低级烷基、卤代低级烷基或羟基低级烷基;R² 和 R³ 可以相同或互不相同,各自代表氢、低级烷基、卤代低级烷基、C₃ 至 C₈ 环烷基、环烷基取代的低级烷基、低级烯酰氧基、低级烯基、低级烷氧基取代的低级烷基、苯基取代的低级烷基、低级炔基、低级烷基苯基或羟基化低级烷基;R⁴ 代表苯基、四氢萘基或萘基,可分别被一个或两个成员取代,这 些成员选自由低级烷基、卤素、低级烷氧基、低级烷硫基、低级烷酰基、苯基、氰基、 低级炔硫基、低级烷氧基羰基、低级烯硫基、苯基取代的低级烷硫基、苯甲酰基、 羟基化低级烷基、低级烷酰氧基取代的低级烷基、低级烷酰氧基和羟基组成的组;n 为 0、1 或 2。