[(2R,3S,5R)-5-[5-[2-(3,5-diethynyl-1-adamantyl)ethynyl]-2,4-dioxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl acetate 、 3'-O-acetyl-5'-O-(4,4'-dimethoxytrityl)-5-iodo-2'-deoxyuridine 在
copper(l) iodide 、
四(三苯基膦)钯 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 12.17h,
以76%的产率得到[(2R,3S,5R)-5-[5-[2-[3,5-bis[2-[1-[(2R,4S,5R)-4-acetyloxy-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]ethynyl]-1-adamantyl]ethynyl]-2,4-dioxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl acetate