2-氰乙基N,N-二异丙基氯亚磷酰胺 、
3(S)-hydroxy-2(R)-monomethoxytrityloxymethyl-N-[(thymin-1-yl)-acetyl] pyrrolidine 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以99%的产率得到Diisopropyl-phosphoramidous acid 2-cyano-ethyl ester (2R,3S)-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-1-[2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-acetyl]-pyrrolidin-3-yl ester