(S)-tert-butyl 3-((4-(3-iodo-2-methylbenzylamino)-5-aminopyrimidin-2-ylamino)methyl)pyrrolidine-1-carboxylate 、
N,N'-羰基二咪唑 在
水 、
magnesium sulfate 、 crude residue 、 silica gel 、
(S)-tert-butyl 3-((9-(3-iodo-2-methylbenzyl)-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-iodo-2-methylbenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate [210 mg, 67%; Intermediate 34] as a brown solid的产率得到(S)-tert-butyl 3-((9-(3-iodo-2-methylbenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate