[(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 、
双(二异丙基氨基)(2-氰基乙氧基)膦 在
四氮唑 作用下,
以
四氢呋喃 为溶剂,
反应 25.0h,
以91%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-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]methyl acetate