申请人:Dainippon Ink and Chemicals, Inc.
公开号:US20030096860A1
公开(公告)日:2003-05-22
The present invention provides a compound which is highly safe in terms of toxicity and has a stronger antiallergic action, and particularly has an action of inhibiting both immediate and delayed type allergic reactions. A benzopyran derivative represented by the general formula (I):
1
wherein R
1
is an alkyl group having 1-10 carbon atoms or an alkenyl group having 2-10 carbon atoms, and one of R
2
, R
3
, R
4
, and R
5
is an alkoxy group substituted with a hydroxy group or an alkoxy group substituted with a carboxy group, and the others are hydrogen atoms
or physiologically acceptable salts thereof are superior as the active ingredient of an antiallergic agent.
本发明提供了一种化合物,该化合物在毒性方面非常安全,并具有更强的抗过敏作用,特别是具有抑制即刻型和迟发型过敏反应的作用。一种由通式(I)表示的苯并吡喃衍生物:其中R1是具有1-10个碳原子的烷基或具有2-10个碳原子的烯基,而R2、R3、R4和R5中的一个是被羟基取代的烷氧基或被羧基取代的烷氧基,而其余的是氢原子,或其生理上可接受的盐作为抗过敏药物的活性成分。