Summary.
The three-component condensation of benzaldehyde derivatives, alkyl propiolates, and primary amines catalyzed by silica gel, zeolite HY, montmorillonite K-10, and acidic alumina under microwave irradiation gave N-substituted 4-aryl-1,4-dihydropyridines in short reaction times and high yields. The best results were obtained with silica gel.
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Received March 26, 2001. Accepted (revised) June 18, 2001
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Balalaie, S., Kowsari, E. One-Pot Synthesis of N-Substituted 4-Aryl-1,4-dihydropyridines Under Solvent-Free Conditions and Microwave Irradiation. Monatshefte für Chemie 132, 1551–1555 (2001). https://doi.org/10.1007/s007060170012
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DOI: https://doi.org/10.1007/s007060170012