A stereoselective anion glycosylation process for preparing β anomer enriched 2'-deoxy-2',2'-difluoronucleosides by reacting an αanomer enriched 2-deoxy-fluoro-1-halo carbohydrate with at least a molar equivalent of a nucleobase salt in an inert solvent.
一种立体选择性阴离子糖基化工艺,用于制备β异构体富集的 2'-脱氧-2',2'-二
氟核苷,其方法是在惰性溶剂中将富集了 α异构体的 2-脱氧-
氟-1-卤
碳水化合物与至少一个摩尔当量的核碱基盐反应。