发明名称 |
Manufacture of alpha-tocopherol |
摘要 |
A process for the manufacture of (all-rac)-alpha-tocopherol by the acid-catalyzed reaction of trimethylhydroquinone with isophytol or phytol is characterized by carrying out the reaction in the presence of methane trisulphonate as the catalyst in an organic solvent. The product of the process is the most active and industrially most important member of the vitamin E group.
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申请公布号 |
US7153984(B2) |
申请公布日期 |
2006.12.26 |
申请号 |
US20050535603 |
申请日期 |
2005.05.19 |
申请人 |
DSM IP ASSETS B.V. |
发明人 |
BONRATH WERNER;HAAS ALOIS;HOPPMANN SIMONE;NETSCHER THOMAS;PAULING HORST |
分类号 |
C07D311/72 |
主分类号 |
C07D311/72 |
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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