(S)-1-methyl-3-(piperidin-3-yl)-5-(pyrazolo[1,5-a]pyridin-3-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one hydrochloride 、
乙酰氯 以
吡啶 为溶剂,
反应 5.0h,
以78%的产率得到(S)-3-(1-acetylpiperidin-3yl-)-1-methyl-5-(pyrazolo[1,5-a]pyridin-3-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one