Processes for the preparation of 1,3-oxathiolane nucleosides are provided that include reacting a 5-O-protected-oxymethyl-1,3-oxathiolane with a silylated nucleoside in the presence of (Cl)
3
Ti(isopropoxide). Using the processes described herein, the compounds can be provided as isolated enantiomers.
提供了制备1,3-氧
硫杂环核苷的方法,包括在(Cl)3Ti(异丙氧基)存在下将5-O-保护的氧甲基-1,3-氧
硫杂环与
硅基化的核苷反应。使用本文所述的方法,可以提供分离的对映体化合物。