| 发明名称 |
Steroid esters preparation |
| 摘要 |
This invention relates to an improved steroid ester synthesis in which carbodiimides and catalytic amounts of 4-(tertiary amino)-pyridines, in combination with acid catalysts, are used as condensing agents, resulting in pure, non discolored compounds in high yields.
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| 申请公布号 |
US4537722(A) |
申请公布日期 |
1985.08.27 |
| 申请号 |
US19840614991 |
申请日期 |
1984.05.29 |
| 申请人 |
AB LEO |
发明人 |
STAMVIK, ANDERS R.;KRISTENSSON, STEN K.;LUNDVALL, KARL-ERIK |
| 分类号 |
C07J1/00;C07J5/00;C07J9/00;C07J41/00;C07J75/00;(IPC1-7):C07J17/00 |
主分类号 |
C07J1/00 |
| 代理机构 |
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