3-(5-amino-2-methylphenyl)-N-(4-methoxybenzyl)-N-methyl-1,6-naphthyridin-7-amine 、
5- cyclopropyl-1-ethyl-pyrazole-3-carboxylic acid 在
N-甲基咪唑 、 N,N,N',N'-tetramethylchloroformamidinium hexafluorophosphate 作用下,
以
乙腈 为溶剂,
以70 %的产率得到5-cyclopropyl-1-ethyl-N-(3-(7-((4-methoxybenzyl)(methyl)amino)-1,6-naphthyridin-3-yl)-4-methylphenyl)-1H-pyrazole-3-carboxamide