3-(4-(ethoxycarbonyl)piperidin-1-yl)propylamine 、 5-(N-methylcarboxamido)-1,4-dihydro-2,6-dimethyl-4-(4-nitrophenyl)pyridine-3-carboxylic acid 在
4-二甲氨基吡啶 、
1-(3-二甲基氨基丙基)-3-乙基碳二亚胺 作用下,
生成 Ethyl 1-[3-[[2,6-dimethyl-5-(methylcarbamoyl)-4-(4-nitrophenyl)-1,4-dihydropyridine-3-carbonyl]amino]propyl]piperidine-4-carboxylate