发明名称 |
PROCESS FOR PRODUCING CARBOSTYRIL DERIVATIVE |
摘要 |
<p>The present invention provides a process for producing carbostyril derivatives (I) which are known to be useful as medical drug such as antithrombotic agent, cerebral circulation improver, anti-inflammatory agent, antiulcer agent, etc. in a high yield and a high purity. The carbostyril derivatives (I) can be produced by reacting a carbostyril derivative (II) with a tetrazole derivative (III) in the presence of a phase transfer catalyst. <CHEM></p> |
申请公布号 |
EP1285917(A1) |
申请公布日期 |
2003.02.26 |
申请号 |
EP20010926119 |
申请日期 |
2001.05.02 |
申请人 |
OTSUKA PHARMACEUTICAL CO., LTD. |
发明人 |
AKI, SHINJI;KURIMURA, MUNEAKI;NISHI, TAKAO;MINAMIKAWA, JUN-ICHI;TOMINAGA, MICHIAKI;FUKUYAMA, NORIHIRO;YAMAMOTO, AKIHIRO |
分类号 |
A61K31/4709;C07B61/00;C07D211/00;C07D257/00;C07D401/12;(IPC1-7):C07D401/12 |
主分类号 |
A61K31/4709 |
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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