| 发明名称 |
FORFARANDE FOR FRAMSTELLNING AV KROMONDERIVAT |
| 摘要 |
PURPOSE:Reaction of a phenol derivative with a tetrazol-5-yl acetic acid to form a tetrazol-5-yl acetophenone, which is then allowed to react with a formic acid derivative, affording a chromone derivative having anti-allergic activity. |
| 申请公布号 |
SE7703394(A) |
申请公布日期 |
1977.09.27 |
| 申请号 |
SE19770003394 |
申请日期 |
1977.03.24 |
| 申请人 |
* TAKEDA CHEMICAL INDUSTRIES LTD |
发明人 |
A * NOHARA;T * KATO;T * KAWARAZAKI;Y * SAWA |
| 分类号 |
C07D405/04;A61K31/35;A61K31/352;A61K31/41;A61P37/08;C07D257/04;(IPC1-7):C07D405/04 |
主分类号 |
C07D405/04 |
| 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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