(2S,3R,4R,5R)-5-(azidomethyl)tetrahydrofuran-2,3,4-triyl triacetate 、
3'-O-acetyl-2'-deoxy-5'-O-triphenylmethyluridine 在
四氯化锡 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以49%的产率得到Acetic acid (2R,3R,4R,5R)-4-acetoxy-2-[(2R,3S,5R)-3-acetoxy-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethoxy]-5-azidomethyl-tetrahydro-furan-3-yl ester