pyridin-2-yl (1,1,1-trifluoro-2-methylpropan-2-yl) carbonate 、 2-(3-fluorophenyl)-N
5-(piperidin-4-yl)-6,7-dihydropyrazolo[1,5-a]pyrazine-3,5(4H)-dicarboxamide 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
生成 1,1,1-trifluoro-2-methylpropan-2-yl 4-(3-carbamoyl-2-(3-fluorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-5-cartoxamido)piperidine-1-cartoxylate