申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0220044A2
公开(公告)日:1987-04-29
Compounds of the formula (1) :
and pharmaceutically acceptable salts thereof are described wherein A is a group of sub-formula (a), (b), (c) or (d):
X is CHR1, sulphur, oxygen or NH, R1 is hydrogen, or R1 and R2 together form a bond, R2 is hydrogen or methyl, or R1 and R2 together form a bond, R3 is hydrogen or together with R4 form a methylene or 1,2-ethanediyl group, Y is sulphur, oxygen or NH, Z is sulphur or oxygen, R4 is hydrogen or together with R3 form a methylene or 1,2-ethanediyl group, with the proviso that X is CHR1 or sulphur when R3 together with R4 form a methylene or 1,2-ethanediyl group. These compounds have inotropic, vasodilator, bronchodilating and platelet aggregation inhibiting properties. Pharmaceutical compositions are described as are methods of use. Intermediates and processes for the preparation of the compounds of the formula (1) are described.
式 (1) :
及其药学上可接受的盐,其中 A 是子式(a)、(b)、(c)或(d)的基团:
X 是 CHR1、硫、氧或 NH,R1 是氢,或 R1 和 R2 一起形成键,R2 是氢或甲基,或 R1 和 R2 一起形成键,R3 是氢,或与 R4 一起形成亚甲基或 1,2-乙二基,Y 是硫、氧或 NH,Z 为硫或氧,R4 为氢或与 R3 一起形成亚甲基或 1,2-乙二基,但当 R3 与 R4 一起形成亚甲基或 1,2-乙二基时,X 为 CHR1 或硫。这些化合物具有肌力、血管扩张、支气管扩张和血小板聚集抑制特性。本文介绍了药物组合物以及使用方法。还描述了制备式(1)化合物的中间体和工艺。