3-[4-(6-bromo-pyridin-3-yl)-7-pyridin-4-yl-pyrazolo[5,1-c][1,2,4]triazin-8-yl]-phenol 、
N-甲基哌嗪 在
3-{4-[6-(4-methyl-piperazin-1-yl)-pyridin-3-yl]-7-pyridin-4-yl-pyrazolo[5,1-c][1,2,4]triazin-8-yl}-phenol 、 crude product 、 silica gel 、
methanol-dichloromethane 作用下,
以to yield 3-{4-[6-(4-methyl-piperazin-1-yl)-pyridin-3-yl]-7-pyridin-4-yl-pyrazolo[5,1-c][1,2,4]triazin-8-yl}-phenol as an orange solid, MS 465.3 [M+H]的产率得到3-{4-[6-(4-methyl-piperazin-1-yl)-pyridin-3-yl]-7-pyridin-4-yl-pyrazolo[5,1-c][1,2,4]triazin-8-yl}-phenol