2-氰乙基N,N-二异丙基氯亚磷酰胺 、
N-benzyloxy-2-[2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl]-N-[3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl]-acetamide 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以60%的产率得到2-[(2S,3R,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]-N-[[(2R,3S,5R)-3-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl]-N-phenylmethoxyacetamide