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 hydrog en and under specified acidity, solvent system and temperature conditions. A specific polymorph of oxymorphone hydrochloride may be obtained by hydratio n.
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申请公布号 |
CA2672644(A1) |
申请公布日期 |
2008.06.19 |
申请号 |
CA20072672644 |
申请日期 |
2007.12.14 |
申请人 |
JOHNSON MATTHEY PUBLIC LIMITED COMPANY |
发明人 |
MENCEL, JAMES J;KESKENY, ERNO M;DUNG, JEN-SEN |
分类号 |
C07D489/08;A61K31/33 |
主分类号 |
C07D489/08 |
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