phenyl N-[6-(difluoromethoxy)-2-methylpyridin-3-yl]carbamate 、 1-methyl-4-[(2S)-2-methylpiperazin-1-yl]pyrazolo[3,4-b]pyridine hydrochloride 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 1.0h,
以67.8%的产率得到(3S)-N-[6-(difluoromethoxy)-2-methylpyridin-3-yl]-3-methyl-4-(1-methylpyrazolo[3.4-b]pyridin-4-yl)piperazine-1-carboxamide