benzyl 2-(5-{5-[bis-(4-methoxyphenyl)phenylmethoxymethyl]-4-hydroxytetrahydrofuran-2-yl}-thiophen-2-yl)-4-oxo-4H-chromen-3-yl carbonate 、
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
二氯甲烷 为溶剂,
反应 2.0h,
以77%的产率得到benzyl 2-(5-{5-[bis-(4-methoxyphenyl)phenylmethoxymethyl]-4-[(2-cyanoethoxy)diisopropylaminophosphanyloxy]tetrahydrofuran-2-yl}-thiophen-2-yl)-4-oxo-4H-chromen-3-yl carbonate