发明名称 |
NOVEL SOLVATE OF DEXLANSOPRAZOLE |
摘要 |
The present invention provides novel solvate of dexlansoprazole (or R-lansoprazole), particularly diol solvate and its hydrate form of dexlansoprazole (or R-lansoprazole) which is chemically known as (R)-2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole compound of the formula (I), as well as processes for the preparation thereof. The said solvates are useful in the preparation of dexlansoprazole with enhanced chiral purity and better HPLC purity with less sulphone impurity content.
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申请公布号 |
US2013012714(A1) |
申请公布日期 |
2013.01.10 |
申请号 |
US201113578078 |
申请日期 |
2011.02.04 |
申请人 |
ORCHID CHEMICALS & PHARMACEUTICALS LIMITED;REGURI BUCHI REDDY;UPPARAPALLI SAMPATH KUMAR;KUNCHITHAPATHAM THIRUMURUGAN;NATARAJAN SABARINATHAN;SAMBASHIVAM THIYAGARAJAN;MUNUSWAMY SURESH;SWAMINATHAN SUSI |
发明人 |
REGURI BUCHI REDDY;UPPARAPALLI SAMPATH KUMAR;KUNCHITHAPATHAM THIRUMURUGAN;NATARAJAN SABARINATHAN;SAMBASHIVAM THIYAGARAJAN;MUNUSWAMY SURESH;SWAMINATHAN SUSI |
分类号 |
C07D401/12 |
主分类号 |
C07D401/12 |
代理机构 |
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代理人 |
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