| 发明名称 |
METHYLENELACTONE SYNTHESIS IN SUPERCRITICAL FLUIDS |
| 摘要 |
<p>Alpha-methylenelactones are produced from butyrolactone and valerolactone by the addition of formaldehyde in a supercritical fluid in the presence of a catalyst and a phase transfer agent.</p> |
| 申请公布号 |
EP1470117(A1) |
申请公布日期 |
2004.10.27 |
| 申请号 |
EP20030729348 |
申请日期 |
2003.01.07 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HUTCHENSON, KEITH, W.;MANZER, LEO, E. |
| 分类号 |
C07B61/00;C07D305/12;C07D307/58;(IPC1-7):C07D307/58 |
主分类号 |
C07B61/00 |
| 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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