3-aminocrotonic acid 2-propoxyethyl ester 、
1-[3,3-Diphenylpropyl(methyl)amino]propan-2-yl 2-[(2,3-dichlorophenyl)methylidene]-3-oxobutanoate 以
异丙醇 为溶剂,
以25%的产率得到5-O-[1-[3,3-diphenylpropyl(methyl)amino]propan-2-yl] 3-O-(2-propoxyethyl) 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate