2-[1-{5-O-[bis(4-methoxyphenyl)(phenyl)methyl]-2-deoxy-β-D-ribofuranosyl-1-yl}-2,4-dioxo-1H,3H-pyrimidin-5-yl]-1H-benz[de]isoquinoline-1,3(2H)-dione 、
2-氰乙基N,N-二异丙基氯亚磷酰胺 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 4.0h,
以73%的产率得到2-(1-{5-O-[bis(4-methoxyphenyl)(phenyl)methyl]-3-O-[(2-cyanoethoxy)(diisopropylamino)phosphino]-2-deoxy-β-D-ribofuranosyl-1-yl}-2,4-dioxo-1H,3H-pyrimidin-5-yl)-1H-benz[de]isoquinoline-1,3(2H)-dione