申请人:Kyorin Pharmaceutical Co., Ltd.
公开号:US04952591A1
公开(公告)日:1990-08-28
Urea derivatives of the following formula, ##STR1## wherein R.sub.1 indicates a piperidino group or pyrrolidino group which may be substituted with hydroxy group or lower alkyl group having 1 to 3 carbon atoms; A indicates an ethylene group, propylene group, butylene group or butenylene group; R.sub.2 indicates a straight or branched alkyl group having 1 to 20 carbon atoms, cycloalkyl group having 3 to 6 carbon atoms, benzyl group, or phenyl group which may have 1 to 3 substituents such as lower alkyl group having 1 to 6 carbon atoms, lower alkoxy group having 1 to 3 carbon atoms, halogen atom, trifluoromethyl group, amino group, nitro group or methylenedioxy group; X indicates an oxygen or sulfur atom, the hydrates and pharmaceutically acceptable acid addition salts thereof are useful as antiulcer agents.
尿素衍生物的化学式如下:##STR1## 其中R.sub.1表示一个哌啶基团或吡咯啉基团,可以被氢氧基或含有1至3个碳原子的较低烷基基团取代;A表示一个乙烯基、丙烯基、丁烯基或丁二烯基;R.sub.2表示一个直链或支链烷基基团,含有1至20个碳原子,环烷基基团,含有3至6个碳原子,苄基或苯基,可能有1至3个取代基,如含有1至6个碳原子的较低烷基基团、含有1至3个碳原子的较低烷氧基团、卤原子、三氟甲基基团、氨基、硝基或亚甲基二氧基基团;X表示一个氧原子或硫原子,其水合物和药学上可接受的酸盐对抗溃疡剂具有用途。