Process for the preparation of estetrol
    1.
    发明公开
    Process for the preparation of estetrol 审中-公开
    HerstellungsverfahrenfürEsterol

    公开(公告)号:EP2383279A1

    公开(公告)日:2011-11-02

    申请号:EP11174509.7

    申请日:2011-07-19

    IPC分类号: C07J75/00

    摘要: The present invention relates to a process for the preparation of estra-1,3,5(10)-trien-3,15α,16α,17β-tetraol (estetrol), via a silyl enol ether derivative 17-B-oxy-3-A-oxy-estra-1,3,5(10),16-tetraene, wherein A is a protecting group and B is ―Si(R 2 ) 3 .
    The invention further relates to a process for the synthesis of 3-A-oxy-estra-1,3,5(10),15-tetraen-17-one, wherein A is a protecting group, via said silyl enol ether derivative.

    摘要翻译: 本发明涉及通过甲硅烷基烯醇醚衍生物17-B-oxy制备雌-1,3,5(10) - 三烯-3,15±,16±,17-四醇(雌酮)的方法 -3-A-氧 - 雌-1,3,5(10),16-四烯,其中A为保护基,B为€(Si(R 2)3)。 本发明还涉及通过所述甲硅烷基烯醇醚衍生物合成其中A为保护基的3-A-氧 - 雌-1,3,5(10),15-四烯-17-酮的方法。