申请人:Sumitomo Pharmaceuticals Company, Limited
公开号:US05021435A1
公开(公告)日:1991-06-04
A 2-pyridyl-thiazolidin-4-one derivative represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each a hydrogen atom, an C.sub.1 -C.sub.20 alkyl group, an C.sub.2 -C.sub.20 alkenyl group, an C.sub.2 -C.sub.20 alkynyl group, an aryl group, a C.sub.3 -C.sub.8 cycloalkyl group or an aralkyl group which may have a substituent, R.sub.3 is a hydrogen atom, an C.sub.1 -C.sub.20 alkyl group, an C.sub.2 -C.sub.20 alkenyl group, an C.sub.2 -C.sub.20 alkynyl group, a C.sub.3 -C.sub.8 cycloalkyl group or an aralkyl group which may have a substituent, P is a pyridyl group or its N-substituted pyridinium salt which may have a substituent, said substituent being selected from the group consisting of halogen atom, cyano group, hydroxy group, amino group, lower alkyl group, lower alkoxy group, lower alkylamino group, halogenated lower alkyl group, acyl group, acyloxy group, acylthio group, acylamino group, carboxyl group, lower alkoxycarbonyl group, carbamoyl group, lower alkyl substituted carbamoyl group, heterocyclic group, and lower cycloalkyl group, and n represents an integer of 0, 1 or 2, or a pharmaceutically acceptable salts thereof and an anti-ulcer agent which contains, as an effective ingredient, said 2-pyridyl-thiazolidine-4-one derivative or a pharmaceutically acceptable salt thereof.
一种由以下式表示的2-吡啶基噻唑啉-4-酮衍生物:其中R.sub.1和R.sub.2分别为氢原子、C.sub.1-C.sub.20烷基、C.sub.2-C.sub.20烯基、C.sub.2-C.sub.20炔基、芳基、C.sub.3-C.sub.8环烷基或可能具有取代基的芳基烷基,R.sub.3为氢原子、C.sub.1-C.sub.20烷基、C.sub.2-C.sub.20烯基、C.sub.2-C.sub.20炔基、C.sub.3-C.sub.8环烷基或可能具有取代基的芳基烷基,P为吡啶基或其可能具有取代基的N-取代吡啶盐基,所述取代基选自卤原子、氰基、羟基、氨基、低烷基、低烷氧基、低烷基氨基、卤代低烷基、酰基、酰氧基、硫代酰基、酰胺基、羧基、低烷氧羰基、氨基甲酰基、低烷基取代的氨基甲酰基、杂环基和低环烷基,n表示0、1或2的整数,或其药学上可接受的盐,以及作为有效成分的抗溃疡药物,包含上述2-吡啶基噻唑啉-4-酮衍生物或其药学上可接受的盐。