申请人:Takeda Chemical Industries, Ltd.
公开号:US04355040A1
公开(公告)日:1982-10-19
Novel imidazole-5-acetic acid derivatives of the formula: ##STR1## wherein R.sup.1 is lower alkyl, cycloalkyl or, phenyl which may be substituted with one to three of halogen, nitro, amino, mono(lower alkyl)amino, di(lower alkyl)amino, lower alkyl, lower alkoxyl, benzyloxyl or/and hydroxyl; X.sup.1, X.sup.2 and X.sup.3 are each hydrogen, halogen, nitro, amino, lower alkyl, lower alkoxyl, benzyloxyl or hydroxyl; Y is halogen and R.sup.2 is hydrogen or lower alkyl; provided that X.sup.1 is halogen, lower alkyl, lower alkoxyl, benzyloxyl or hydroxyl when R.sup.1 is unsubstituted or substituted phenyl only with one halogen, di(lower alkyl)amino, lower alkyl or lower alkoxyl, and its salts have hypotensive activity.
新型咪唑-5-乙酸衍生物的化学式为:##STR1##其中R.sup.1为较低烷基、环烷基或苯基,可能被一个到三个卤素、硝基、氨基、单(较低烷基)氨基、二(较低烷基)氨基、较低烷基、较低烷氧基、苄氧基和/或羟基取代;X.sup.1、X.sup.2和X.sup.3分别为氢、卤素、硝基、氨基、较低烷基、较低烷氧基、苄氧基或羟基;Y为卤素,R.sup.2为氢或较低烷基;前提是当R.sup.1为未取代或取代苯基时,X.sup.1为卤素、较低烷基、较低烷氧基、苄氧基或羟基,只有一个卤素、二(较低烷基)氨基、较低烷基或较低烷氧基,其盐具有降压活性。