4-氨基-1-甲基哌啶 、
4-({3-[(2,6-diethylphenyl)carbamoyl]-1-methyl-1,4,5,6-tetrahydropyrazolo[4',3':6,7]cyclohepta[1,2-d]pyrimidin-9-yl}amino)-3-methoxybenzoic acid 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以72%的产率得到N-(2,6-diethylphenyl)-9-({2-methoxy-4-[(1-methylpiperidin-4-yl)carbamoyl]phenyl}amino)-1-methyl-1,4,5,6-tetrahydropyrazolo[4',3':6,7]cyclohepta[1,2-d]pyrimidine-3-carboxamide