发明名称 |
QUINOLINONE DERIVATIVE PREPARATIONS AND PROCESS FOR PRODUCING THE SAME |
摘要 |
<p>The problem to be solved by the present invention is to provide a quinolinone derivative formulation, and its production method, having for its active ingredient the beta crystal form and/or gamma crystal form of the quinolinone derivative represented with chemical formula (I), which is useful as a pharmaceutical, and particularly as an antiallergic, which has superior bioabsorption and stability. The present invention provides a quinolinone derivative, and its production method, having for its active ingredient the beta crystal form and/or gamma crystal form of the quinolinone derivative represented with chemical formula (I): <CHEM></p> |
申请公布号 |
EP1129712(A1) |
申请公布日期 |
2001.09.05 |
申请号 |
EP19990943252 |
申请日期 |
1999.09.10 |
申请人 |
DAINIPPON INK AND CHEMICALS, INC. |
发明人 |
KIMURA, NOBUYUKI;FUKUI, HIROYUKI;TAKAGAKI, HIDETSUGU;MURATAKE, NAHOKO |
分类号 |
A61K31/4704;C07D215/38;(IPC1-7):A61K31/47 |
主分类号 |
A61K31/4704 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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