(S)-tert-butyl 3-((4-(3-iodobenzylamino)-5-aminopyrimidin-2-ylamino)methyl)pyrrolidine-1-carboxylate 、
N,N'-羰基二咪唑 在
水 、
(S)-tert-butyl 3-((9-(3-iodobenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
以to give (S)-tert-Butyl 3-((9-(3-iodobenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate (0.15 g, 38%; Intermediate 25) as a pale purple solid的产率得到(S)-tert-butyl 3-((9-(3-iodobenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate