| 发明名称 |
Preparation of unsaturated ketones. |
| 摘要 |
<p>A process for the preparation of unsaturated ketones, in particular 5-hexen-2-one, by reacting a beta-keto ester and an allylhalide in the presence of an alkalimetal carbonate, and optionally a solvent, followed by hydrolysing the unsaturated keto ester obtained and decarboxylating the unsaturated keto acid formed.</p> |
| 申请公布号 |
EP0017284(A2) |
申请公布日期 |
1980.10.15 |
| 申请号 |
EP19800200262 |
申请日期 |
1980.03.21 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
DE JONG, AALDERT JOHANNES;VAN SETERS, ANTONIUS JOHANNES CORNELIS |
| 分类号 |
C07C49/20;B01J27/00;C07B61/00;C07C45/00;C07C45/67;C07C51/09;C07C67/00;(IPC1-7):07C45/67;07C49/203;07C67/30;07C69/738;07C59/76;07C51/38 |
主分类号 |
C07C49/20 |
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