tert-butyl (3S)-3-({8-[6-(difluoromethoxy)pyridin-3-yl]-9-ethyl-9H-purin-6-yl}oxy)pyrrolidine-1-carboxylate 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 22.0h,
生成 6-{[(3S)-1-(cyclopropylcarbonyl)pyrrolidin-3-yl]oxy}-8-[6-(difluoromethoxy)pyridin-3-yl]-9-ethyl-9H-purine trifluoroacetate