1-[(2R,4S,5R)-4-[4-[[(2R,3R,5R)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl]triazol-1-yl]-5-prop-2-ynyloxolan-2-yl]-5-methylpyrimidine-2,4-dione 、
3'-azido-3'-deoxy-5'-O-(4,4'-dimethoxytrityl)thymidine 在
二甲基硫 、
三乙胺 作用下,
以
四氢呋喃 、
水 、
叔丁醇 为溶剂,
反应 1.0h,
以96%的产率得到1-[(2R,4S,5R)-5-[[1-[(2S,3S,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]triazol-4-yl]methyl]-4-[4-[[(2R,3R,5R)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl]triazol-1-yl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione