双(二异丙基氨基)(2-氰基乙氧基)膦 、
[(2R,3R,4R,5S)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-2-(2,4-dioxopyrimidin-1-yl)-4-[2-[(2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylsulfonylmethyl]oxolan-3-yl] acetate 在
DIPAT 作用下,
以
乙腈 为溶剂,
反应 3.0h,
以60%的产率得到[(2R,3R,4R,5S)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-[(2R,3S,5R)-3-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylsulfonylmethyl]-2-(2,4-dioxopyrimidin-1-yl)oxolan-3-yl] acetate