Process for preparing diisopropyl((1-(hydroxymethyl)-cyclopropyl)oxy)methylphosphonate
    3.
    发明授权
    Process for preparing diisopropyl((1-(hydroxymethyl)-cyclopropyl)oxy)methylphosphonate 失效
    制备((1-(羟基甲基) - 环丙基)氧基)甲基膦酸二异丙酯的方法

    公开(公告)号:US07795463B2

    公开(公告)日:2010-09-14

    申请号:US11631263

    申请日:2005-06-27

    IPC分类号: C07F9/40 C07C43/164

    CPC分类号: C07F9/65616 C07F9/4006

    摘要: Disclosed is a process for preparing a compound of the following formula (2): including the steps of reacting a compound of the following formula (4): with trityl chloride to prepare trityloxy-acetic acid ethyl ester of the following formula (8): reacting the compound of formula (8) with ethyl magnesium halide to prepare 1-trityloxymethyl-cyclopropanol of the following formula (9): combining the 1-trityloxymethyl-cyclopropanol of formula (9) with diisopropylbromo-methylphosphonate in a solvent in the presence of a base to prepare (1-trityloxymethyl-cyclopropoxymethyl)-phosphonic acid diisopropyl ester of the following formula (10): as a solid form, and converting the trityl group of the compound of formula (10) into a hydroxyl group.

    摘要翻译: 公开了下述式(2)的化合物的制备方法:包括使下述式(4)的化合物与三苯甲基氯反应,制备下式(8)的三苯甲氧基 - 乙酸乙酯的步骤: 使式(8)化合物与乙基卤化镁反应制备下式(9)的1-三苯甲基氧基甲基 - 环丙醇:将式(9)的1-三苯甲氧基甲基 - 环丙醇与二异丙基溴甲基膦酸酯在溶剂中,在 用于制备下式(10)的(1-三苯甲基氧基甲基 - 环丙氧基甲基) - 膦酸二异丙酯的碱:固体形式,并将式(10)化合物的三苯甲基转化为羟基。