The Hantzsch dihydropyridine synthesis is a reaction involving multiple components. The reaction is between 2 equivalents of a β-keto ester, an aldehyde and a nitrogen donor such as ammonia. The same conjugate addition reaction will be used in this experiment.
Vanden Eynde, Jean Jacques, and Annie Mayence. “Synthesis and aromatization of Hantzsch 1, 4-dihydropyridines under microwave irradiation. An overview.” Molecules 8.4 (2003): 381-391.
Hantzsch Thiazole Synthesis - Department of Chemistry