发明名称 |
IMPROVED METHOD FOR MAKING ANALGESICS. |
摘要 |
<p>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.</p> |
申请公布号 |
MX2009006283(A) |
申请公布日期 |
2009.10.12 |
申请号 |
MX20090006283 |
申请日期 |
2007.12.14 |
申请人 |
JOHNSON MATTHEY PUBLIC LIMITED COMPANY. |
发明人 |
JEN-SEN DUNG;ERNO M. KESKENY;JAMES J. MENCEL |
分类号 |
C07D489/08;A61K31/33 |
主分类号 |
C07D489/08 |
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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