CRCU
Synthesis of Polysubstituted 1,4-Dihydropyridines via Four-component Reactions of Arylamine, Acetylenedicarboxylate, Aromatic Aldehyde and Ethyl Acetoacetate
WU Ping, XIA Er-yan, SUN Jing, YAN Chao-guo
Chemical Research in Chinese Universities . 2012, (4): 652 -655 .