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Magnesium Perchlorate as Efficient Lewis Acid: A Simple and Convenient Route to 1,4-Dihydropyridines

Giuseppe Bartoli, Krzysztof Babiuch, Marcella Bosco, Armando Carlone, Patrizia Galzerano, Paolo Melchiorre, Letizia Sambri*

*Dipartimento di Chimica Organica ‘A. Mangini', Università di Bologna, V. le Risorgimento 4, 40136 Bologna, Italy, Email: letizia.sambriunibo.it

G. Bartoli, K. Babiuch, M. Bosco, A. Carlone, P. Galzerano, P. Melchiorre, L. Sambri, Synlett, 2007, 2897-2901.

DOI: 10.1055/s-2007-990839



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Abstract

Metal perchlorates act as Lewis acid catalysts for the synthesis of 1,2,3,4-tetrasubstituted 1,4-dihydropyridines from enamino or carbonylic derivatives in moderate yields.

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Key Words

magnesium perchlorate, 1,4-dihydropyridines, domino reaction, Michael addition, cyclization


ID: J60-Y2007-3790