4-(tert-Butoxycarbonylamino)-1-(6-(5-(pyridin-3-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-c]pyridin-3-yl)pyridin-2-yl)piperidine-4-carboxylic acid 、
甲胺 以to afford 19 mg (24%) of 236 over two steps的产率得到4-amino-N-methyl-1-(6-(5-(pyridin-3-yl)-1H-pyrazolo[3,4-c]pyridine-3-yl)pyridin-2-yl)piperidine-4-carboxamide