(6aR,8S,9S,9aR)-tert-butyl 8-(4-azido-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-9-(((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanoyl)oxy)-2,2,4,4-tetraisopropyltetrahydro-[1,3,5,2,4]trioxadisilocino[7,6-b]pyrrole-7(8H)-carboxylate 在
钯 silica gel 、
氯仿 作用下,
以
乙醇 为溶剂,
反应 12.0h,
以to furnish (6aR,8S,9S,9aR)-tert-butyl 8-(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-9-(((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanoyl)oxy)-2,2,4,4-tetraisopropyltetrahydro-[1,3,5,2,4]trioxadisilocino[7,6-b]pyrrole-7(8H)-carboxylate (34e) (1.9 g, 96% yield) as a colorless solid的产率得到(6aR,8S,9S,9aR)-tert-butyl 8-(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-9-(((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanoyl)oxy)-2,2,4,4-tetraisopropyltetrahydro-[1,3,5,2,4]trioxadisilocino[7,6-b]pyrrole-7(8H)-carboxylate