Thiazolidinone and oxazolidinone derivatives, their preparation and their use as vasodilators
申请人:Sankyo Company Limited
公开号:EP0506434A1
公开(公告)日:1992-09-30
Compounds of formula (I):
in which: W represents a sulphur or oxygen atom and X represents a group of formula -N(R¹)-, or W represents a group of formula -N(R¹)- and X represents a sulphur or oxygen atom; R¹ is hydrogen, alkyl or aralkyl; R² and R³ are each hydrogen, alkyl, aralkyl, aryl or aromatic heterocyclic; R⁴ is hydrogen, alkyl or aralkyl; and A is alkylene which is optionally substituted by carboxy; and pharmaceutically acceptable salts and esters thereof, have a valuable vasodilatory activity.
式(I)化合物:
其中W代表硫原子或氧原子,X代表式-N(R¹)-的基团,或W代表式-N(R¹)-的基团,X代表硫原子或氧原子;R¹为氢、烷基或芳烷基;R²和R³分别为氢、烷基、芳烷基、芳基或芳香杂环基;R⁴为氢、烷基或芳烷基;A为任选被羧基取代的亚烷基;以及它们的药学上可接受的盐和酯,具有宝贵的血管扩张活性。