(S)-tert-butyl 4-((E)-4-((3aR,4S,6R,6aS)-6-(6-(bis(tert-butoxycarbonyl)amino)-9H-purin-9-yl)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)but-1-enyl)-2,2-dimethyloxazolidine-3-carboxylate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
乙醇 为溶剂,
反应 3.0h,
以100%的产率得到(S)-tert-butyl 4-(4-((3aR,4S,6R,6aS)-6-(6-(bis(tert-butoxycarbonyl)amino)-9H-purin-9-yl)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)butyl)-2,2-dimethyloxazolidine-3-carboxylate