3,5-dichloro-4-(7-chloropyrazolo[4,3-c]pyridin-2-yl)benzonitrile 、 4-{[1-(4-azido-5-bromo-pyridin-3-yl)-meth-(E)-ylidene]-amino}-3,5-dichlorobenzonitrile 以
甲苯 为溶剂,
以to afford the title compound as a beige solid (3.57 g, 70% yield)的产率得到4-(7-bromo-pyrazolo[4,3-c]pyridin-2-yl)-3,5-dichlorobenzonitrile