(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 、
硫酸 在
丙酮 作用下,
以
丙酮 为溶剂,
反应 18.0h,
以to furnish mixtures of (S)-(2R,3R,4S,5S)-5-(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-4-hydroxy-2-(hydroxymethyl)pyrrolidin-3-yl 2-amino-3-methylbutanoate (35e) and (S)-(2S,3S,4R,5R)-2-(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-4-hydroxy-5-(hydroxymethyl)pyrrolidin-3-yl 2-amino-3-methylbutanoate sulfate salt (34f) (0.4 g, 68%) as a white solid的产率得到(S)-(2R,3R,4S,5S)-5-(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-4-hydroxy-2-(hydroxymethyl)pyrrolidin-3-yl 2-amino-3-methylbutanoate