申请人:SANKYO COMPANY LIMITED
公开号:EP0157603A2
公开(公告)日:1985-10-09
Compounds of formula (I):
in which:
R1 represents a hydrogen atom, an alkyl group, a substituted alkyl group, a C2-C6 alkenyl group, an aryl group, a substituted aryl group or a (C1-C6 alkoxycarbonyl group; R2 represents a hydrogen atom, a C1-C6 alkyl group or a C3 or C4 alkenyl group; R3 represents a hydrogen atom or a C1-C6 alkyl group; R4 represents a hydroxy group, a C1-C21 aliphatic acyloxy group or an aromatic acyloxy group; R5 represents a C1-C12 alkyl group, a C1-C6 alkoxy group, a hydroxy group, a C1-C7 aliphatic acyloxy group or an aromatic acyloxy group; R6 represents a hydrogen atom, a C1-C6 alkyl group or a C1-C6 alkoxy group; and n is 0, 1, or 2;
and pharmaceutically acceptable salts thereof are valuable in the treatment of circulatory disorders and allergies.
式(I)化合物:
其中
R1 代表氢原子、烷基、取代的烷基、C2-C6 烯基、芳基、取代的芳基或 C1-C6 烷氧基羰基; R2 代表氢原子、C1-C6 烷基或 C3 或 C4 烯基; R3 代表氢原子或 C1-C6 烷基;R4 代表羟基、C1-C21 脂肪族酰氧基或芳香族酰氧基; R5 代表 C1-C12 烷基、C1-C6 烷氧基、羟基、C1-C7 脂肪族酰氧基或芳香族酰氧基; R6 代表氢原子、C1-C6 烷基或 C1-C6 烷氧基;以及 n 是 0、1 或 2;
及其药学上可接受的盐类在治疗循环系统疾病和过敏症方面具有重要价值。