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