Microwave Heating in Conjunction with UV Irradiation: a Tool for the Oxidation of 1,4-Dihydropyridines to Pyridines

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Contents Vol 62(1)

doi:10.1071/CH08414

Microwave Heating in Conjunction with UV Irradiation: a Tool for the Oxidation of 1,4-Dihydropyridines to Pyridines

Chad M. Kormos ^A, Rachel M. Hull ^A, Nicholas E. Leadbeater ^A ^B

^A Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, CT 06269-3060, USA.
^B Corresponding author. Email: nicholas.leadbeater@uconn.edu





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Australian Journal of Chemistry 62(1) 51–57 http://dx.doi.org/10.1071/CH08414
Submitted: 1 October 2008 Accepted: 6 December 2008 Published online: 21 January 2009

Abstract

Microwave heating is used for the preparation of 1,4-dihydropyridines and then, in conjunction with UV irradiation, is used for the efficient oxidation of the 1,4-dihydropyridines to pyridines. The oxidation reactions are performed in a sealed vessel using oxygen as the oxidant and an electrodeless discharge lamp as the irradiation source.