Compounds are disclosed of formula (l):-
wherein one of R', R2 and R3 represents hydrogen, C1-6 alkyl C3-6 alkenyl, hydroxy, C1-4 alkoxy or a C2.5 alkoxycarbonyl group, a phenyl or substituted phenyl group or a phen(C1-4)alkyl or substituted phen(C1-4)alkyl group; and the other two each independently represents hydrogen, C1-6 alkyl, or R2 and R3. together form an alkylene chain -(CH2)n- where n is 2 or 3, bridging the nitrogen atoms to which they are attached; R4 and R5, each independently represents hydrogen, C1-3 alkyl or propenyl: R6 represents hydrogen, C1-3 alkyl, and the physiologically acceptable salts and solvates thereof.
The compounds (I) have potent and selective vasoconstrictor activity and are potentially useful for the treatment of migraine. The compounds (I) may be formulated in conventional manner as pharmaceutical compositions for administration by any convenient route.
公开了式(l)化合物:-
其中 R'、R2 和 R3 中的一个代表氢、C1-6 烷基、C3-6 烯基、羟基、C1-4 烷氧基或 C2.5 烷氧基羰基、苯基或取代苯基或苯基(C1-4)烷基或取代苯基(C1-4)烷基;另外两个各自独立地代表氢、C1-6 烷基或 R2 和 R3 一起形成亚烷基链-(
CH2)n-,其中 n 为 2 或 3,桥接它们所连接的氮原子;R4 和 R5 各自独立地代表氢、C1-3 烷基或
丙烯基:R6 代表氢、C1-3 烷基及其生理上可接受的盐和溶剂。
化合物(I)具有强效和选择性血管收缩活性,可用于治疗偏头痛。化合物(I)可以常规方式配制成药物组合物,通过任何方便的途径给药。