2-氰乙基N,N-二异丙基氯亚磷酰胺   、                                                                                      
1-[(2S,3S,4S,5S)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-3-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-2-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,
                                                                                                                                                    反应 3.0h,
                                                                                                                以90%的产率得到Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester