申请人:Hoffmann-La Roche Inc.
公开号:US04130716A1
公开(公告)日:1978-12-19
Compounds are presented of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, amino, halogen and nitro; R.sub.2 is selected from the group consisting of hydrogen, lower alkyl, carboxylic acids, esters and primary, secondary or tertiary amides thereof, alkylhydroxy, acylhydroxy-lower alkyl, amino-lower alkyl, alkylamino-lower alkyl, acylamino-lower alkyl and carboxaldehyde; and X is hydrogen or halogen and the pharmaceutically acceptable salts thereof. Also presented are processes to produce the above compounds and intermediates thereof. These compounds exhibit pharmacological activity as anxiolytics, sedatives, muscle relaxants and anticonvulsants.
化合物的结构式为##STR1##其中R.sub.1从氢、氨基、卤素和硝基组成的群体中选择;R.sub.2从氢、较低烷基、羧酸、酯及其主要、次要或三级酰胺、烷基羟基、酰基羟基-较低烷基、氨基-较低烷基、烷基氨基-较低烷基、酰胺基-较低烷基和羧醛中选择;X为氢或卤素及其药用可接受的盐。还提供了制备上述化合物及其中间体的方法。这些化合物表现出作为抗焦虑药、镇静剂、肌肉松弛剂和抗惊厥药的药理活性。