Novel process
    4.
    发明申请
    Novel process 审中-公开
    新进程

    公开(公告)号:US20050222107A1

    公开(公告)日:2005-10-06

    申请号:US10502866

    申请日:2003-02-03

    CPC分类号: C07J31/006

    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 LCH2F 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.

    摘要翻译: 制备作为结晶多晶型物质1的丙酸氟替卡松的方法,其包括使式(II)的化合物或其盐与式LCH 2 F的化合物反应,其中L表示离去基团,任选地在 描述了相转移催化剂,与水不混溶的非溶剂型有机液体溶剂和水。