This invention relates to chalcone derivatives represented by the following formula (1):
wherein A represents a phenyl group, a quinolyl group or the like, W represents a vinylene group or the like, and R1 to R5 each independently represent a carboxyl, cyano, alkyloxycarbonyl or like group, or salts of the chalcone derivatives, and also to drugs containing them as effective ingredients.
These compounds have excellent cys-LT receptor antagonism, and are useful as antiallergic agents or the like.
本发明涉及下式(1)所代表的
查尔酮衍
生物:
其中 A 代表
苯基、
喹啉基或类似基团,W 代表
乙烯基或类似基团,R1 至 R5 各自独立地代表羧基、
氰基、烷
氧基羰基或类似基团,或
查尔酮衍
生物的盐,还涉及含有它们作为有效成分的药物。
这些化合物具有优异的 cys-LT 受体拮抗作用,可用作抗过敏剂或类似药物。