(S)-tert-butyl 3-((9-(3-iodobenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate 在
三氟乙酸 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 2.0h,
以to give (R)-9-(3-Iodobenzyl)-2-(pyrrolidin-3-ylmethylamino)-7H-purin-8(9H)-one [68 mg, quantitative; 26] as an amber foam TFA salt的产率得到(R)-9-(3-Iodobenzyl)-2-(pyrrolidin-3-ylmethylamino)-7H-purin-8(9H)-one