2-脱氧-1-乙酸-3,5-二苯甲酸-D-赤式-五呋喃糖 、
[3-[(3aR,5R,6S,6aR)-2,2-dimethyl-6-phenylmethoxy-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-1,1-difluoroprop-1-en-2-yl]oxy-trimethylsilane 在
四氯化锡 作用下,
以
二氯甲烷 为溶剂,
生成 2-(3,5-Di-O-benzoyl-2-deoxy-β-D-erythro-pentofuranosyl)-2,2-difluoro-1-(3-O-benzyl-5-deoxy-1,2-O-isopropylidene-α-D-xylo-pentofuranosyl)ethanone 、 2-(3,5-Di-O-benzoyl-2-deoxy-α-D-erythro-pentofuranosyl)-2,2-difluoro-1-(3-O-benzyl-5-deoxy-1,2-O-isopropylidene-α-D-xylo-pentofuranosyl)ethanone