The invention relates to methods of synthesizing 2'-deoxy-2',2'-difluorotetrahydrouridine with increased purity and uniform particle size distribution. In particular, methods of the invention include crystallization and isolation procedures rendering synthetic reaction intermediates. The invention further includes compositions comprising the final compound in highly pure form, including lower number of impurities and lower levels of individual and total impurities.
该发明涉及一种合成2'-去氧-2',2'-二
氟四氢尿苷的方法,该方法具有提高纯度和均匀粒径分布的特点。具体而言,该发明的方法包括结晶和分离程序,用于生成合成反应中间体。该发明还包括包含最终化合物的高纯度形式的组合物,其中杂质数量较低,个别和总杂质的
水平也较低。