3-(6-fluoropyridin-2-yl)-5-(1-methyl-1H-pyrazol-4-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-c]pyridine 、
N-Boc-哌嗪 以to give 234 as a white solid (61% over two steps)的产率得到5-(1-methyl-1H-pyrazole-4-yl)-3-(6-(piperazin-1-yl)pyridin-2-yl)-1H-pyrazolo[3,4-c]pyridine