(S)-1-[3,5-O-(2-bromo-1-diethylphosphonoethylidene)-2-deoxy-β-D-threo-pentofuranosyl]thymine 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 130.0h,
生成 1-[3-azido-2,5-dideoxy-5-O-(carboxymethylphosphono)-β-D-threo-oentofuranosyl]thymine 、 1-[3-azido-2,3-dideoxy-5-O-(carboxymethylphosphono)-β-D-threo-oentofuranosyl]thymine