(R)-(5-bromo-3-nitro-2-(piperidin-3-ylamino)phenyl)(piperidin-1-yl)methanone 、
7-chloroisoquinoline-4-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,
以53 %的产率得到(R)-(5-bromo-2-((1-(7-chloroisoquinoline-4-carbonyl)piperidin-3-yl)amino)-3-nitrophenyl)(piperidin-1-yl)methanone