Thiazole derivatives, processes for the preparation thereof and pharmaceutical composition comprising the same
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0032058A1
公开(公告)日:1981-07-15
The thiazole derivatives have the general formula:-
wherein R1 is hydrogen, amino, or mono-or di-substituted amino, in which the substituent is selected from lower alkyl, acyl and di (lower) alkylaminomethylene,
R2 is hydrogen, halogen, lower alkyl or aryl,
R3 is ar(lower)alkyl optionally substituted by halogen,
A is lower alkylene optionally interrupted by a sulfur atom, and
Y is C1-C3 alkylene, and their pharmaceutically - acceptable
salts, are useful as antiallergic agents.
噻唑衍生物的通式如下
其中 R1 是氢、氨基或单或二取代氨基,其中取代基选自低级烷基、酰基和二(低级)烷基氨基亚甲基、
R2 是氢、卤素、低级烷基或芳基、
R3 是可选被卤素取代的 ar(低级)烷基、
A 是可选被硫原子打断的低级亚烷基,以及
Y 是 C1-C3 亚烷基,以及它们的药学上可接受的
盐可用作抗过敏剂。