6-chloro-5-(1-isopropyl-piperidin-4-yloxy)-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid hydrochloride 、
2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 、
4,4-二氟哌啶 、
N,N-二异丙基乙胺 在
[6-chloro-5-(1-isopropyl-piperidin-4-yloxy)-1H-pyrrolo[2,3-b]pyridin-2-yl]-(4,4-difluoro-piperidin-1-yl)-methanone 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以to give the desired product as a light yellow foam (40%)的产率得到[6-chloro-5-(1-isopropyl-piperidin-4-yloxy)-1H-pyrrolo[2,3-b]pyridin-2-yl]-(4,4-difluoro-piperidin-1-yl)-methanone