| 发明名称 |
Tetrazole coumarin derivatives |
| 摘要 |
A novel class of 3-tetrazole coumarins have anti-allergic activity. They are prepared by the action of ammonium azide on 3-cyano compounds.
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| 申请公布号 |
US4059704(A) |
申请公布日期 |
1977.11.22 |
| 申请号 |
US19760672753 |
申请日期 |
1976.04.01 |
| 申请人 |
BEECHAM GROUP LIMITED |
发明人 |
BUCKLE, DEREK RICHARD;CANTELLO, BARRIE CHRISTIAN CHARLES;SMITH, HARRY |
| 分类号 |
C07D405/04;(IPC1-7):A61K31/41;C07D257/04 |
主分类号 |
C07D405/04 |
| 代理机构 |
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| 主权项 |
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