申请人:Glaxo Group Limited
公开号:US04785016A1
公开(公告)日:1988-11-15
Indole derivatives are disclosed of formula (I): ##STR1## wherein R.sub.1 represents H, alkyl or alkenyl; R.sub.2 represents H, alkyl, alkenyl, cycloalkyl or phenyl or phenyl alkyl the phenyl ring being optionally substituted by halogen, alkyl, alkoxy, hydroxyl or by a group --NR.sub.a R.sub.b, or --CONR.sub.a R.sub.b, wherein R.sub.a and R.sub.b are H, alkyl, alkenyl, or with the nitrogen atom form a saturated monocyclic ring; R.sub.3 and R.sub.4 are H, alkyl or propenyl or together form an aralkylidene group; Alk represents a Cf.sub.2-3 alkyl chain optionally substituted by one or two alkyl groups; and A.sup.1 represents a C.sub.2-5 alkenyl chain and salts and solvates thereof. The compounds have selective vasoconstrictor activity and are useful in treating and/or preventing pain resulting from dilatation of the cranial vasculature, particularly migraine. The compounds may be formulated in conventional manner with pharmaceutically acceptable carriers or excipients. Various process for the preparation of the compounds (I) are disclosed.
公开了式(I)的吲哚衍生物:##STR1## 其中R.sub.1代表H、烷基或烯基;R.sub.2代表H、烷基、烯基、环烷基或苯基或苯基烷基,苯环可选择地被卤素、烷基、烷氧基、羟基或基团--NR.sub.a R.sub.b或--CONR.sub.a R.sub.b取代,其中R.sub.a和R.sub.b为H、烷基、烯基,或与氮原子形成饱和的单环环;R.sub.3和R.sub.4为H、烷基或丙烯基或一起形成芳基亚烯基团;Alk代表一个Cf.sub.2-3烷基链,可选择地被一个或两个烷基基团取代;A.sup.1代表一个C.sub.2-5烯基链及其盐和溶剂化合物。这些化合物具有选择性血管收缩活性,并且在治疗和/或预防由颅内血管扩张引起的疼痛,特别是偏头痛方面是有用的。这些化合物可以以常规方式与药学上可接受的载体或赋形剂配制。公开了制备化合物(I)的各种方法。