tert-butyl (2S,5S,6S)-2-((S)-((3aR,4S,6R,6aR)-6-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)((triethylsilyl)oxy)methyl)-1,4-dimethyl-3-oxo-6-((triethylsilyl)oxy)-1,4-diazepane-5-carboxylate 在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以51%的产率得到tert-butyl (2S,5S,6S)-2-((S)-((3aR,4R,6R,6aR)-6-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)(hydroxy)methyl)-6-hydroxy-1,4-dimethyl-3-oxo-1,4-diazepane-5-carboxylate