甲醇 、
[(1R,2R,3S)-1-azido-4-hydroxy-2,3-(isopropylidenedioxy)butylhydroxyphosphinoyl]-2',3'-O-isopropylideneuridine triethylammonium salt 在
5% palladium on barium sulphate 、
氢气 作用下,
反应 3.5h,
以72%的产率得到[(1R,2R,3S)-1-amino-4-hydroxy-2,3-(isopropylidenedioxy)butylhydroxyphosphinoyl]-2',3'-O-isopropylideneuridine