(1R,3R,4R,7S)-3-(4-N-benzoyl-5-methylcytosin-1-yl)-1-benzoyloxymethyl-7-(4,4'-dimethoxytrityloxy)-2,5-dioxabicyclo[2.2.1]heptane 在
水 、 lithium hydroxide 作用下,
反应 40.0h,
以93%的产率得到(1S,3R,4R,7S)-3-(4-N-benzoyl-5-methylcytosin-1-yl)-7-(4,4'-dimethoxytrityloxy)-1-hydroxymethyl-2,5-dioxabicyclo[2.2.1]heptane