3-cyclopropyl-5-(1-methyl-1H-tetrazol-5-yl)benzenamine 、
2-chloro-5-fluoro-N-(2,2,6,6,-tetramethylpiperidin-4-yl)pyrimidin-4-amine 在
对甲苯磺酸 作用下,
以
异丙醇 为溶剂,
以42%的产率得到N2-(3-cyclopropyl-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine