| 发明名称 |
A PROCESS FOR THE PURIFICATION OF GABAPENTIN |
| 摘要 |
<p>The present invention relates to a process for the purification of gabapentin. The process relates to the addition of hydrochloric acid to an aqueous solution or suspension of gabapentin, before, during or after the concentration step of that solution, and the subsequent slurry of the gabapentin by the addition of an alcoholic solvent. The so obtained gabapentin has an high purity degree and, in particular, is characterized by a low content of lactam.</p> |
| 申请公布号 |
WO2006064041(A1) |
申请公布日期 |
2006.06.22 |
| 申请号 |
WO2005EP56817 |
申请日期 |
2005.12.15 |
| 申请人 |
ZAMBON GROUP S.P.A.;GIOVANETTI, ROBERTO;NICOLI, ANDREA;COTARCA, LIVIUS |
发明人 |
GIOVANETTI, ROBERTO;NICOLI, ANDREA;COTARCA, LIVIUS |
| 分类号 |
C07C227/40;C07C229/28 |
主分类号 |
C07C227/40 |
| 代理机构 |
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| 主权项 |
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