| 发明名称 |
NOVEL PROCESS FOR QUATERNIZATION OF (2P,3A,5A,16P,17P)-2,16-BISPIPERIDINO-3,17-DIACETOXY-5-ANDROSTANE |
| 摘要 |
<p>The invention discloses a novel process for quaternization of (2ß,3a,5a,16ß,17ß)-2,16-bispiperidino-3,17-diacetoxy-5-androstane with methyl bromide in presence of a cyclic ether. The invention further discloses purification of quaternary salt to provide highly pure vecuronium bromide with unspecified impurity level not more than 0.1%.</p> |
| 申请公布号 |
WO2012147090(A1) |
申请公布日期 |
2012.11.01 |
| 申请号 |
WO2011IN00727 |
申请日期 |
2011.10.20 |
| 申请人 |
NEON LABORATORIES LTD.;DALVI, MAHESH BHAGOJI;TARADE, PRADEEP KISAN |
发明人 |
DALVI, MAHESH BHAGOJI;TARADE, PRADEEP KISAN |
| 分类号 |
C07J75/00 |
主分类号 |
C07J75/00 |
| 代理机构 |
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