2-氰乙基N,N-二异丙基氯亚磷酰胺 、
2-[2-[(1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-7-hydroxy-3-(5-methyl-2,4-dioxopyrimidin-1-yl)-2-oxa-5-azabicyclo[2.2.1]heptan-5-yl]ethyl]isoindole-1,3-dione 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以58%的产率得到3-[[(1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-[2-(1,3-dioxoisoindol-2-yl)ethyl]-3-(5-methyl-2,4-dioxopyrimidin-1-yl)-2-oxa-5-azabicyclo[2.2.1]heptan-7-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile