2-氰乙基N,N-二异丙基氯亚磷酰胺 、
1-[(1R,3R,4R,7S)-1-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-7-hydroxy-5-(pyrene-1-carbonyl)-2-oxa-5-aza-bicyclo[2.2.1]hept-3-yl]-5-methyl-1H-pyrimidine-2,4-dione 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以57%的产率得到3-[[(1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3-(5-methyl-2,4-dioxopyrimidin-1-yl)-5-(pyrene-1-carbonyl)-2-oxa-5-azabicyclo[2.2.1]heptan-7-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile