2-(3,3-Difluorocyclobutyl)ethan-1-amine hydrochloride 、 5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-6,7-dihydro-4H-[1,2]oxazolo[4,5-c]pyridine-3-carboxylic acid 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
N,N-二甲基甲酰胺 为溶剂,
反应 21.0h,
以8.75%的产率得到N-[2-(3,3-difluorocyclobutyl)ethyl]-5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-6,7-dihydro-4H-[1,2]oxazolo[4,5-c]pyridine-3-carboxamide