发明名称 |
Method for the purification of lansoprazole |
摘要 |
The present invention provides a method for preparing a substantially pure lansoprazole containing less than about 0.2% (wt/wt) impurities including sulfone/sulfide derivatives. The present invention also provides a process for recrystallizing lansoprazole to obtain a lansoprazole containing less than about 0.1% (wt/wt) water.
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申请公布号 |
US2005165061(A1) |
申请公布日期 |
2005.07.28 |
申请号 |
US20050084269 |
申请日期 |
2005.03.18 |
申请人 |
TEVA PHARMACEUTICALS INDUSTRIES LTD. |
发明人 |
SINGER CLAUDE;LIBERMAN ANITA;VEINBERG IRENA;FINKELSTEIN NINA;NIDAM TAMAR |
分类号 |
C07D401/12;(IPC1-7):A61K31/443;C07D43/02 |
主分类号 |
C07D401/12 |
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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