发明名称 |
Novel process |
摘要 |
A process for preparing fluticasone propionate as crystalline polymorphic Form 1 which comprises reacting a compound of formula (II) or a salt thereof with a compound of formula LCH<SUB>2</SUB>F wherein L represents leaving group optionally in the presence of a phase transfer catalyst, a water-immiscible non-solvating organic liquid solvent and water is described.
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申请公布号 |
US2005222107(A1) |
申请公布日期 |
2005.10.06 |
申请号 |
US20050502866 |
申请日期 |
2005.05.02 |
申请人 |
COOTE STEVEN J;NICE ROSALYN K;WIPPERMAN MARK D |
发明人 |
COOTE STEVEN J.;NICE ROSALYN K.;WIPPERMAN MARK D. |
分类号 |
C07J31/00;C07J75/00;(IPC1-7):A61K31/56;C07J3/00 |
主分类号 |
C07J31/00 |
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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