发明名称 |
Improved method for making analgesics |
摘要 |
Improved analgesic oxymorphone hydrochloride contains less than 10 ppm of alpha, beta unsaturated ketones and pharmaceutical preparations comprising such oxymorphone hydrochloride. The oxymorphone hydrochloride is produced by reducing a starting material oxymorphone hydrochloride using gaseous hydrogen and under specified acidity, solvent system and temperature conditions. A specific polymorph of oxymorphone hydrochloride may be obtained by hydration. |
申请公布号 |
ZA200904317(B) |
申请公布日期 |
2010.08.25 |
申请号 |
ZA20090004317 |
申请日期 |
2007.12.14 |
申请人 |
JOHNSON MATTHEY PUBLIC LIMITED COMPANY |
发明人 |
DUNG JEN-SEN;KESKENY, ERNO M.;MENCEL, JAMES J. |
分类号 |
A61K;C07D |
主分类号 |
A61K |
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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