Compounds are disclosed of the general formula (I)
wherein
R, represents halogen, alkyl, alkoxy or hydroxyl, or a group NRaRb or CONRaRb, where Ra and Rb are hydrogen, alkyl or alkenyl or with the nitrogen atom form a saturated monocylic 5 to 7-membered ring;
R2 represents hydrogen or alkyl; R3 and R4 represent hydrogen, C1-3 alkyl or propenyl or R3 and R4 together form an aralkylidene group; Alk represents a C2-3 alkylene chain; n and m, are integers of 1 to 4 or n is zero, and their physiologically acceptable salts and solvates.
The compounds are described as useful in treating pain originating from dilatation of the cranial vasculature in particular migraine and cluster headache and can be formulated in conventional manner as pharmaceutical compositions with carriers or excipients for administration by any convenient route.
公开了通式(I)的化合物
其中
R,代表卤素、烷基、烷氧基或羟基,或代表基团 NRaRb 或 CONRaRb,其中 Ra 和 Rb 是氢、烷基或烯基,或与氮原子一起形成饱和的单胞 5 至 7 元环;
R2 代表氢或烷基;R3 和 R4 代表氢、C1-3 烷基或
丙烯基,或 R3 和 R4 共同形成亚芳基;Alk 代表 C2-3 亚烷基链;n 和 m 是 1 至 4 的整数或 n 为零,以及它们的生理上可接受的盐和溶剂。
这些化合物可用于治疗颅内血管扩张引起的疼痛,特别是偏头痛和丛集性头痛,并可与载体或赋形剂以常规方式配制成药物组合物,通过任何方便的途径给药。