| 发明名称 |
A process for preparing an optically active d-alpha-tocopherol and compounds for its preparation. |
| 摘要 |
<p>Optically active alpha-tocopherol is synthesized by a multi-step process using phytol as a starting material. New intermediate compounds being synthesized in said multi-step process are described.</p><p>The process according to the invention does not require an optical resolution step.</p> |
| 申请公布号 |
EP0058945(A2) |
申请公布日期 |
1982.09.01 |
| 申请号 |
EP19820101231 |
申请日期 |
1982.02.18 |
| 申请人 |
EISAI CO., LTD. |
发明人 |
HAMAMURA, KIMIKO;AKASAKA, KOZO;YAMAGISHI, VOJI |
| 分类号 |
C07C69/035;C07C27/00;C07C29/10;C07C31/20;C07C43/13;C07C43/205;C07C45/00;C07C45/30;C07C46/06;C07C50/28;C07C67/00;C07D303/14;C07D311/72;(IPC1-7):07D311/72;07D301/19;07D303/14;07C29/15;07C31/20;07C41/00;07C43/13;07C43/205;07C43/23;07C45/29;07C43/215 |
主分类号 |
C07C69/035 |
| 代理机构 |
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