1,6-diethyl-5-[(methylamino)methyl]-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-b]pyridin-4-amine 、
3-{[({3'-[(4-{[(1,1-dimethylethyl)oxy]carbonyl}-1-piperazinyl)methyl]-6-fluoro-3-biphenylyl}methyl)amino]carbonyl}benzoic acid 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 19.0h,
以29%的产率得到1,1-Dimethylethyl 4-{[5'-({[(3-{[{[1,6-diethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridin-5-yl]methyl}(methyl)amino]carbonyl}phenyl)carbonyl]amino}methyl)-2'-fluoro-3-biphenylyl]methyl}-1-piperazinecarboxylate