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    • 4. 发明申请
    • METHOD OF PRODUCING 2' -DEOXY-5-AZACYTIDINE (DECITABINE)
    • 2'-氧代-5-氮杂环丁烷的生产方法(DECATABINE)
    • WO2009047313A2
    • 2009-04-16
    • PCT/EP2008/063581
    • 2008-10-10
    • Cilag AGJUNGMANN, OliverKRAUT, Norbert
    • JUNGMANN, OliverKRAUT, Norbert
    • C07H19/12
    • C07H19/12Y02P20/55
    • Method of producing 2'-deoxy-5-azacytidine (Decitabine) by providing a compound of formula (I), wherein R is a removable substituent known per se; and R 1 is a removable substituent; further providing a silylated base of formula (II), wherein R 2 is a protecting group, preferably a trimethylsilyl TMS ) -residue; reacting the compound of formula (I) and the compound of formula (II) together in a suitable anhydrous solvent and in the presence of a suitable catalyst; and removing the substituents R from the compound obtained in order to obtain the compound 2'-deoxy-5-azacytidine (Decitabine), characterized in that said catalyst is selected from the group comprising a salt of an aliphatic sulphonic acid or a salt of a strong inorganic acid.
    • 通过提供式(I)化合物制备2'-脱氧-5-氮杂胞苷(地西他滨)的方法,其中R是本身已知的可除去的取代基; R1是可取代的取代基; 进一步提供式(II)的甲硅烷基化碱,其中R 2是保护基,优选三甲基甲硅烷基TMS) - 残基; 使式(I)化合物和式(II)化合物在合适的无水溶剂中和在合适的催化剂存在下反应; 并从得到的化合物中除去取代基R,得到化合物2'-脱氧-5-氮杂胞苷(地西他滨),其特征在于所述催化剂选自脂肪族磺酸盐或其盐 强无机酸。