N-(1-((6aR,9aR)-9,9-difluoro-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide 、
四丁基氟化铵 在
silica gel 、
acetonitrile-water 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以to afford the title compound as a white solid (47 mg)的产率得到N-(1-((4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide