5-(4-dimethylamino-piperidine-1-carbonyl)-1H-indole-2-carboxylic acid 1:1 hydrochloride 、
2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 、
4-氟苯胺 、
N,N-二异丙基乙胺 在
(4,4-difluoro-piperidin-1-yl)-[5-(4-dimethylamino-piperidine-1-carbonyl)-1H-indol-2-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 (72%)的产率得到(4,4-difluoro-piperidin-1-yl)-[5-(4-dimethylamino-piperidine-1-carbonyl)-1H-indol-2-yl]-methanone