5-(pyridin-3-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-3-(trimethylstannyl)-1H-pyrazolo[3,4-c]pyridine 、
2-溴吡啶-4-甲酰胺 在
silica gel 作用下,
以to afford 10 mg (21%) of 302 over two steps的产率得到2-(5-(pyridin-3-yl)-1H-pyrazolo[3,4-c]pyridine-3-yl)isonicotinamide