Benzopyran derivative and use of said benzopyran derivative for treating heart disease
申请人:DAINIPPON INK AND CHEMICALS, INC.
公开号:EP0796854A1
公开(公告)日:1997-09-24
The present invention offers a safe and effective drug for heart diseases and a safe and effective use of a benzopyran derivative for treating heart diseases such as ischemic heart disease and cardiac arrhythmia. The use of a benzopyran derivative comprises administering a pathologically effective amount of a benzopyran derivative expressed by the following general formula (I):
wherein R1 is an alkyl group or an alkenyl group, R2 is a hydrogen atom, an alkyl group, an alkyl group having at least one hydroxyl group, an alkenyl group, an acyl group or a glycosyl group; or physiologically acceptable salts thereof.
Benzopyran derivatives and antiallergic agent containing the same
申请人:DAINIPPON INK AND CHEMICALS, INC.
公开号:EP1273578B1
公开(公告)日:2005-02-23
US5981495A
申请人:——
公开号:US5981495A
公开(公告)日:1999-11-09
US6670391B2
申请人:——
公开号:US6670391B2
公开(公告)日:2003-12-30
Benzopyran derivative and antiallergic agent
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.