(2,5-Dichloro-pyrimidin-4-yl)-[2-ethanesulfonyl-phenyl]-amine 、 2-ethoxy-6-methyl-7,8-dihydro-5H-1,6-naphthyridin-3-amine 在
2-(二环己基膦)3,6-二甲氧基-2′,4′,6′-三异丙基-1,1′-联苯 、 [(2-di-cyclohexylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1‘-biphenyl)-2-(2‘-amino-1,1’-biphenyl)]palladium(II) methanesulfonate 、
caesium carbonate 作用下,
以
1,4-二氧六环 为溶剂,
生成 5-chloro-2-N-(2-ethoxy-6-methyl-7,8-dihydro-5H-1,6-naphthyridin-3-yl)-4-N-(2-ethylsulfonylphenyl)pyrimidine-2,4-diamine