申请人:Glaxo Group Limited
公开号:US05066660A1
公开(公告)日:1991-11-19
Compounds are disclosed of formula (I) ##STR1## wherein R.sub.1 represents H or C.sub.1-6 alkyl; R.sub.2 represents H, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-6 alkenyl, phenyl or phen(C.sub.1-3)alkyl in which the phenyl ring is optionally substituted by halogen, C.sub.1-4 alkoxy, hydroxy or C.sub.1-3 alkyl; R.sub.3 represents H, C.sub.1-3 alkyl, --CO.sub.2 R.sub.5, --COR.sub.5, --COCO.sub.2 R.sub.5 or --CONHR.sub.5 where R.sub.5 represents H, C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl, C.sub.2-4 alkenyl, aryl or ar(C.sub.1-4)alkyl in which the aryl group is optionally substituted by halogen, C.sub.1-4 alkoxy, C.sub.1-4 alkyl or hydroxy) (provided that where R.sub.3 represents --CO.sub.2 R.sub.5, R.sub.5 is other than H); R.sub.4 represents H, C.sub.1-3 alkyl, C.sub.3-6 alkenyl, phenyl or phen (C.sub.1-3)alkyl; A-B represents CH--CH.sub.2 --or C.dbd.CH-- D represents --CO-- or --SO.sub.2 -- n represents 0, 1-5; provided that when D represents --SO.sub.2, n is 2, R.sub.3 represents H and R.sub.4 represents H or C.sub.1-3 alkyl, R.sub.2 is other than H or C.sub.1-6 alkyl; and pharmaceutically acceptable salts and solvates (for example hydrates) thereof. The compounds are indicated as useful for the treatment of migraine, cluster headache, chronic paroxysmal hemicrania and headache associated with vascular disorders. Processes and intermediates for their preparation and pharmaceutical compositions containing them are also disclosed.
本发明涉及一种化合物,其化学式为(I)## STR1 ##其中R.sub.1代表H或C.sub.1-6烷基; R.sub.2代表H、C.sub.1-6烷基、C.sub.3-7环烷基、C.sub.3-6烯基、苯基或苯(C.sub.1-3)烷基,其中苯环可选择性地被卤素、C.sub.1-4烷氧基、羟基或C.sub.1-3烷基取代; R.sub.3代表H、C.sub.1-3烷基、--CO.sub.2R.sub.5、--COR.sub.5、--COCO.sub.2R.sub.5或--CONHR.sub.5,其中R.sub.5代表H、C.sub.1-4烷基、C.sub.3-7环烷基、C.sub.2-4烯基、芳基或芳基(C.sub.1-4)烷基,其中芳基基团可选择性地被卤素、C.sub.1-4烷氧基、C.sub.1-4烷基或羟基取代)(前提是当R.sub.3代表--CO.sub.2R.sub.5时,R.sub.5不是H); R.sub.4代表H、C.sub.1-3烷基、C.sub.3-6烯基、苯基或苯(C.sub.1-3)烷基; A-B代表CH--CH.sub.2--或C.dbd.CH--; D代表--CO--或--SO.sub.2--; n代表0、1-5; 前提是当D代表--SO.sub.2时,n为2,R.sub.3代表H,R.sub.4代表H或C.sub.1-3烷基,R.sub.2不是H或C.sub.1-6烷基;以及其药学上可接受的盐和溶剂化物(例如水合物)。这些化合物被指示为治疗偏头痛、群集性头痛、慢性阵发性半侧头痛和与血管紊乱有关的头痛的有用药物。还公开了它们的制备过程和中间体以及含有它们的制药组合物。