申请人:Sankyo Company, Limited
公开号:US04691027A1
公开(公告)日:1987-09-01
Compounds formula (I): ##STR1## in which: R.sup.1 represents a hydrogen atom, an alkyl group, a substituted alkyl group, a C.sub.2 -C.sub.6 alkenyl group, an aryl group, a substituted aryl group or an alkoxycarbonyl group wherein the alkoxy part has from 1 to 6 carbon atoms; R.sup.2 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or a C.sub.3 or C.sub.4 alkenyl group; R.sup.3 represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group; R.sup.4 represents a hydroxy group, a C.sub.1 -C.sub.21 aliphatic acyloxy group or a carbocyclic aryl carboxylic acyloxy group; R.sup.5 represents a C.sub.1 -C.sub.12 alkyl group, a C.sub.1 -C.sub.6 alkoxy group, a hydroxy group, a C.sub.1 -C.sub.7 aliphatic acyloxy group or a carbocyclic aryl carboxylic acyloxy group; R.sup.6 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or a C.sub.1 -C.sub.6 alkoxy group; and n is 0, 1, or 2; and pharmaceutically acceptable salts thereof are valuable in the treatment of circulatory disorders and allergies.
化合物公式(I):##STR1##其中:R.sup.1代表氢原子,烷基,取代烷基,C.sub.2-C.sub.6烯基,芳基,取代芳基或者烷氧羰基,其中烷氧部分含有1至6个碳原子;R.sup.2代表氢原子,C.sub.1-C.sub.6烷基或者C.sub.3或C.sub.4烯基;R.sup.3代表氢原子或者C.sub.1-C.sub.6烷基;R.sup.4代表羟基,C.sub.1-C.sub.21脂肪族酰氧基或者环烷基芳基羧酰氧基;R.sup.5代表C.sub.1-C.sub.12烷基,C.sub.1-C.sub.6烷氧基,羟基,C.sub.1-C.sub.7脂肪族酰氧基或者环烷基芳基羧酰氧基;R.sup.6代表氢原子,C.sub.1-C.sub.6烷基或者C.sub.1-C.sub.6烷氧基;n为0、1或2;以及其药学上可接受的盐在治疗循环障碍和过敏症方面具有价值。