N-[3-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-3H-benzoimidazol-5-yl]-3-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-propionamide 在
三乙胺 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-{6-[3-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-propionylamino]-benzoimidazol-1-yl}-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester