专利详细信息
专利号 | CN103570682A |
专利标题 | A kind of preparation method of s-pantoprazole sodium |
专利权人 | |
发明人 | |
申请号 | CN20121266919 |
申请日 | 2012/7/31 |
公开日 | 2014/2/12 |
优先权号 | |
IPC | C07D40112000; |
专利类型 | |
法律状态查询 | 查看法律状态 |
The invention provides a kind of preparation method of S-pantoprazole sodium the S-pantoprazole that present method makes asymmetric oxidation after recrystallizing and refining direct salify obtains highly purified S-pantoprazole sodium pure product.The preparation method of the S-pantoprazole sodium bulk drug of a kind of simple to operate free of contamination high purity high e.e value.
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