发明名称 |
Supercritical fluid phase synthesis of methylene lactones using novel grafted catalyst |
摘要 |
Process for converting certain lactones to their alpha-methylene substituted forms in a supercritical or near-critical fluid phase reaction using a novel grafted catalyst that not only exhibits high initial activity (conversion), but also maintains a high level of activity with time on stream.
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申请公布号 |
US7166727(B2) |
申请公布日期 |
2007.01.23 |
申请号 |
US20050168647 |
申请日期 |
2005.06.28 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HUTCHENSON KEITH W.;KOURTAKIS KOSTANTINOS;MANZER LEO ERNEST |
分类号 |
C07D307/02;C07D305/12;C07D307/00;C07D407/00 |
主分类号 |
C07D307/02 |
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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