Pharmaceutical heterocyclic compounds, processes for their preparation and compositions containing them
申请人:FISONS plc
公开号:EP0017332A1
公开(公告)日:1980-10-15
The compounds of the formula:
wherein: R1, R2, R3, R4, R5 and R', which may be the same or different, each represent hydrogen, hydroxy, alkyl or alkoxy of 1 to 6 carbon atoms, amino, acyl or acylamino of 2 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, halogen, or alkoxy of 1 to 6 carbon atoms substituted by phenyl,
X is a hydrocarbon chain of 1 to 10 carbon atoms optionally substituted by a hydroxy group,
A is oxygen or is absent,
Q represents a straight or branched alkylene, alkenylene or alkynylene group of 2 to 6 carbon atoms, and
D represents carboxy, 5-tetrazolyl or carboxamido-5-tetrazolyl,
and pharmaceutically acceptable salts, esters and amides thereof,
are pharmaceutically active, being antagonists of the slow reacting substance of anaphylaxis (SRS-A) or its pathological effects.
式中的化合物:
其中R1、R2、R3、R4、R5 和 R',它们可以相同或不同,各自代表氢、羟基、1 至 6 个碳原子的烷基或烷氧基、2 至 6 个碳原子的氨基、酰基或酰氨基、2 至 6 个碳原子的烯基、卤素或被苯基取代的 1 至 6 个碳原子的烷氧基、
X 是可选被羟基取代的 1 至 10 个碳原子的烃链、
A 是氧或不存在、
Q 代表 2 至 6 个碳原子的直链或支链亚烷基、烯基或炔基,以及
D 代表羧基、5-四唑基或羧酰胺基-5-四唑基、
及其药学上可接受的盐、酯和酰胺、
具有药用活性,是过敏性休克慢反应物质(SRS-A)或其病理效应的拮抗剂。