发明名称 |
3-SUBSTITUTED TETRAHYDROFURAN OF CITRIC ACID AND SUBSTITUTED CITRIC ACID, 3- AND 4-SUBSTITUTED BUTYROLACTONE AND HYDROGENATION TO MIXTURE |
摘要 |
A process is disclosed for preparing 3-substituted tetrahydrofuran, 3- and 4-substituted butyrolactones and mixtures thereof comprising hydrogenating a hydrogenatable precursor in the presence of an aqueous reaction medium and a catalyst comprising palladium and rhenium and at least one support selected from the group consisting of titanium oxide, zirconium oxide, and carbon. |
申请公布号 |
JPS63218669(A) |
申请公布日期 |
1988.09.12 |
申请号 |
JP19880012429 |
申请日期 |
1988.01.22 |
申请人 |
E I DU PONT DE NEMOURS & CO |
发明人 |
BERIYUA NOTSUTO MARIKAAJIYUNA RAO |
分类号 |
B01J23/656;C07B61/00;C07D307/06;C07D307/33;C07D315/00 |
主分类号 |
B01J23/656 |
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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