4-(2,4-dimethoxybenzyl)-5-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-2,4-dihydro-3H-1,2,4-triazol-3-one 、
1-溴-2-氟乙烷 在
4-(2,4-dimethoxybenzyl)-5-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-2-(2-fluoroethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one 、 crude product 作用下,
以giving 250 mg (76% of theory) of the title compound as white crystals的产率得到4-(2,4-dimethoxybenzyl)-5-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-2-(2-fluoroethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one