| 发明名称 |
Preparation of 25-hydroxycholesterol. |
| 摘要 |
Improved yields of 25-hydroxycholesterol are obtained by employing 3 beta -hydroxy-5-cholenic acid as the starting material. This compound is an intermediate for 25-hydroxycholecalciferol.
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| 申请公布号 |
EP0021235(A1) |
申请公布日期 |
1981.01.07 |
| 申请号 |
EP19800103223 |
申请日期 |
1980.06.10 |
| 申请人 |
DIAMOND SHAMROCK CORPORATION |
发明人 |
JOHNSON, RICHARD L.;HIRSCH, ARNOLD L. |
| 分类号 |
C07J9/00;C07J17/00;C07J31/00;C07J41/00;(IPC1-7):C07J9/00 |
主分类号 |
C07J9/00 |
| 代理机构 |
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代理人 |
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