tert-Butyl 4-{[3'-(aminomethyl)biphenyl-3-yl]methyl}piperidine-1-carboxylate 、
6-[({[1,6-diethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridin-5-yl]methyl}amino)carbonyl]-2-pyridinecarboxylic acid 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
三乙胺 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以22.2%的产率得到N-{[1,6-diethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridin-5-yl]methyl}-N'-({3'-[(1-methyl-4-piperidinyl)methyl]-3-biphenylyl}methyl)-2,6-pyridinedicarboxamide