1-((2R,4S,5S)-5-{1-[Bis-(4-methoxy-phenyl)-phenyl-methoxy]-2-hydroxy-ethyl}-4-hydroxy-tetrahydro-furan-2-yl)-5-methyl-1H-pyrimidine-2,4-dione 在
咪唑 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 1.5h,
生成 Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-[1-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester