双(二异丙基氨基)(2-氰基乙氧基)膦 、
(2R,3R,4R,5S)-2-((benzoyloxy)methyl)-5-(((2R,3R,4R,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-hydroxytetrahydrofuran-3-yl)oxy)tetrahydrofuran-3,4-diyl dibenzoate 在
四氮唑 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以63%的产率得到[(2R,3R,4R,5S)-3,4-dibenzoyloxy-5-[(2R,3R,4R,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxy-2-(2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxyoxolan-2-yl]methyl benzoate