发明名称 |
Process for the preparation of coumarin |
摘要 |
<p>The present invention provides a process for the preparation of coumarin comprising contacting salicylaldehyde with an acrylate of the formula
wherein R 10 is an alkyl group of 1-6 carbons. The process is preferably performed in the presence of a catalytic amount of a coordination compound comprising one or more transition metals complexed to a phosphine ligand.</p> |
申请公布号 |
EP1604738(A2) |
申请公布日期 |
2005.12.14 |
申请号 |
EP20050075941 |
申请日期 |
1999.10.13 |
申请人 |
US |
发明人 |
US;US |
分类号 |
B01J31/16;B01J31/18;B01J31/24;C07D311/16;C08F8/40;C40B30/08;C40B40/18;(IPC1-7):B01J31/24 |
主分类号 |
B01J31/16 |
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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