3'-O-propargyl-5'-O-tosylthymidine 、
1-[(2R,4S,5R)-5-[[4-[[(2R,3S,5R)-2-(azidomethyl)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxymethyl]triazol-1-yl]methyl]-4-hydroxyoxolan-2-yl]-5-methylpyrimidine-2,4-dione 在
copper(II) sulfate 、
sodium ascorbate 作用下,
以
乙醇 、
水 为溶剂,
反应 0.05h,
以100%的产率得到[(2R,3S,5R)-3-[[1-[[(2R,3S,5R)-3-[[1-[[(2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl]triazol-4-yl]methoxy]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl]triazol-4-yl]methoxy]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl 4-methylbenzenesulfonate