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.
该化合物为2-吡啶基噻唑啉-4-酮衍生物,其化学式为:##STR1## 其中,R1和R2分别为氢原子、C1-C20烷基、C2-C20烯基、C2-C20炔基、芳基、C3-C8环烷基或有取代基的芳基烷基;R3为氢原子、C1-C20烷基、C2-C20烯基、C2-C20炔基、C3-C8环烷基或有取代基的芳基烷基;P为吡啶基或其N-取代吡啶盐,其取代基选自卤素原子、氰基、羟基、氨基、低碳基、低烷氧基、低烷基氨基、卤代低碳基、酰基、酰氧基、酰硫基、酰氨基、羧基、低烷氧羰基、氨基甲酰基、杂环基和低环烷基,n为0、1或2的整数。该化合物或其药学上可接受的盐可用作抗溃疡药物的有效成分。