5-(3-fluoropyridin-4-yl)-2-(methylsulfonyl)-6-pyridin-3-yl-1H-imidazo[4,5-b]pyrazine 、
吗啉 在
silica gel 、
methanol-dichloromethane 作用下,
反应 3.0h,
以to give the title compound (0.029 g, 48%) as a white solid的产率得到5-(3-fluoropyridin-4-yl)-2-morpholin-4-yl-6-pyridin-3-yl-1H-imidazo[4,5-b]pyrazine