phenyl N-(6-methoxy-2-methylpyridin-3-yl)carbamate 、 4-[(2S)-2-ethylpiperazin-1-yl]-1-methylpyrazolo[3,4-d]pyrimidin-6-amine dihydrochloride 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
以80%的产率得到(3S)-4-(6-amino-1-methylpyrazolo[3,4-d]pyrimidin-4-yl)-3-ethyl-N-(6-methoxy-2-methylpyridin-3-yl)piperazine-1-carboxamide