Lithium;1-[[2-[(2-methylpropan-2-yl)oxycarbonylamino]pyridin-4-yl]methyl]piperidine-4-carboxylate 、 C
16H
20N
2O
2 在
1-羟基苯并三唑 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
以64%的产率得到ethyl 3-[1-[1-[[2-[(2-methylpropan-2-yl)oxycarbonylamino]pyridin-4-yl]methyl]piperidine-4-carbonyl]piperidin-4-yl]-1H-indole-2-carboxylate