申请人:Glaxo Group Limited
公开号:US04816470A1
公开(公告)日:1989-03-28
Indole derivatives of the general formula (I) are disclosed: ##STR1## where R.sub.1 is H or an alkyl or alkenyl group, R.sub.2 is H, or an alkyl, alkenyl, aryl, aralkyl or cycloalkyl group; R.sub.3 is H or an alkyl group; R.sub.4 and R.sub.5 are independently H or an alkyl or propenyl group or together form an aralkylidene group; and Alk is an optionally substituted alkylene chain; and their physiologically acceptable salts and solutes. These compounds are potentially useful for the treatment of migraine and may be formulated as pharmaceutical compositions in conventional manner. Various methods for the production of the compounds are disclosed including a Fischer-indole cyclization process.
通式(I)的吲哚衍生物已被披露:其中R.sub.1是H或烷基或烯基基团,R.sub.2是H,或烷基、烯基、芳基、芳基烷基或环烷基基团;R.sub.3是H或烷基基团;R.sub.4和R.sub.5独立地是H或烷基或丙烯基团,或者一起形成芳基烷基亚甲基团;Alk是一个可选择取代的烷基链;以及它们的生理上可接受的盐和溶质。这些化合物可能对偏头痛的治疗有用,并可按照常规方式制备为药物组合物。披露了用于生产这些化合物的各种方法,包括一种Fischer-吲哚环化过程。