[4-(6-chloro-pyridin-3-yl)-pyrimidin-2-yl]-[4-(4-methyl-piperazin-1-yl)-phenyl]-amine 在
crude product 、 silica gel 作用下,
以
乙二胺 为溶剂,
反应 18.0h,
以to give the title compound as a pale yellow solid (58 mg, 0.14 mmol, 36%)的产率得到N-(5-{2-[4-(4-methyl-piperazin-1-yl)-phenylamino]-pyrimidin-4-yl}-pyridin-2-yl)-ethane-1,2-diamine