| 发明名称 |
PROCEDIMIENTO PARA LA OBTENCION DE 8-BUTIROLACTONA MEDIANTE LA HIDROGENACION CATALITICA DEL ESTER DEL ACIDO MALEICO,DEL ACIDO FUMARICO Y-O DEL ACIDO SUCCINICO |
| 摘要 |
<p>gamma -Butyrolactone is prepared by hydrogenating maleic, fumaric or succinic esters or mixtures thereof in the presence of copper chromite catalysts, preferably barium-containing copper chromite catalysts, in the liquid phase at a hydrogen pressure of 1 to 12 bar and temperatures of 180 to 260 DEG C.</p> |
| 申请公布号 |
ES549509(D0) |
申请公布日期 |
1986.04.01 |
| 申请号 |
ES20090005495 |
申请日期 |
1985.12.03 |
| 申请人 |
CHEMISCHE WERKE HULS AKTIENGESELLSCHAFT |
发明人 |
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| 分类号 |
C07D307/32;B01J23/86;C07D315/00;(IPC1-7):C07D307/32 |
主分类号 |
C07D307/32 |
| 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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