Processes for the preparation of 1,3-oxathiolane nucleosides are provided that include efficient methods for the preparation of the 1,3-oxathiolane ring and subsequent condensation of the 1,3-oxathiolane with a pyrimidine or purine base. Using the processes described herein, the compounds can be provided as isolated enantiomers.
提供了制备1,3-氧
硫杂环
嘧啶核苷的过程,其中包括制备1,3-氧
硫杂环环的高效方法以及将1,3-氧
硫杂环与
嘧啶或
嘌呤碱基进行后续缩合的方法。使用本文所述的过程,可以提供单体对映体化合物。