申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04579859A1
公开(公告)日:1986-04-01
The invention relates to novel dihydropyridine derivatives of vasodilating activity of the formula: ##STR1## in which R.sup.1 is aryl selected from the group consisting of phenyl, tolyl, xylyl, cumenyl and mesityl which may have one or more substituents selected from the group consisting of halogen, nitro, hydroxy, carboxy and lower alkoxy, or a heterocyclic group containing at least one hetero atom selected from the group consisting of oxygen, nitrogen and sulfur, R.sup.2 is lower alkoxy-carbonyl or N,N-disubstituted amino(lower)alkoxycarbonyl, R.sup.3 is lower alkyl, alkanoyl, protected alkanoyl or cyano, R.sup.4 is lower alkyl and A is lower alkylene, and pharmaceutically acceptable salt thereof.
该发明涉及一种新的血管扩张作用的二氢吡啶衍生物,其化学式为:##STR1## 其中,R.sup.1是苯基,所述苯基选自苯基、甲苯基、二甲苯基、叔丁基苯基和二甲基苯基中的一种,所述苯基可以具有一种或多种取代基,所述取代基选自卤素、硝基、羟基、羧基和较低的烷氧基,或者是含有至少一个氧、氮或硫杂原子的杂环基;R.sup.2是较低的烷氧基-羰基或N,N-二取代的氨基(较低)烷氧基羰基;R.sup.3是较低的烷基、烷酰基、受保护的烷酰基或氰基;R.sup.4是较低的烷基;A是较低的烷基链;以及其药学上可接受的盐。