| 发明名称 |
Process for reducing impurities in oxycodone base |
| 摘要 |
The present invention is directed to a process for using n-butanol to prepare an oxycodone base compositions having reduced levels of impurities such as 14-hydroxycodeinone and DHDHC.
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| 申请公布号 |
US7875719(B2) |
申请公布日期 |
2011.01.25 |
| 申请号 |
US20070949824 |
申请日期 |
2007.12.04 |
| 申请人 |
COX D PHILLIP;ZHANG YONG |
发明人 |
COX D. PHILLIP;ZHANG YONG |
| 分类号 |
C07D489/02 |
主分类号 |
C07D489/02 |
| 代理机构 |
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