Quinolinone derivative and antiallergic agent with said quinolinone derivative as the active ingredient
申请人:DAINIPPON INK AND CHEMICALS, INC.
公开号:EP0785190A2
公开(公告)日:1997-07-23
The present invention offers 7-aminoquinolinone derivatives, physiologically acceptable salts thereof, anti-allergic agents having as an active ingredient a 7-aminoquinolinone derivative or physiologically acceptable salt thereof, and 7-nitroquinolinone derivatives, wherein the 7-aminoquinolinone derivative is expressed by the following general formula (I):
wherein
R1 is a hydrogen atom or an alkyl group;
R2 and R3 are mutually different groups, each of which is selected from among hydrogen atoms, acyl groups, alkyl groups or alkenyl groups; and
R4 and R5 are mutually different or identical groups, each of which is selected from among hydrogen atoms, acyl groups, alkyl groups, alkenyl groups or aralkyl groups;
and physiologically acceptable salts thereof.
Quinolinone derivative and anti-allergic agent with said quinolinone
申请人:Dainippon Ink and Chemicals, Inc.
公开号:US05942521A1
公开(公告)日:1999-08-24
The present invention offers 7-aminoquinolinone derivatives, physiologically acceptable salts thereof, anti-allergic agents having as an active ingredient a 7-aminoquinolinone derivative or physiologically acceptable salt thereof, and 7-nitroquinolinone derivatives, wherein the 7-aminoquinolinone derivative is expressed by the following general formula (I): ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl group; R.sub.2 and R.sub.3 are mutually different groups, each of which is selected from among hydrogen atoms, acyl groups, alkyl groups or alkenyl groups; and R.sub.4 and R.sub.5 are mutually different or identical groups, each of which is selected from among hydrogen atoms, acyl groups, alkyl groups, alkenyl groups or aralkyl groups; and physiologically acceptable salts thereof.