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Article info. : 2008; 5(2) (pp 244~251)
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Rapid and Efficient Aromatization of Hantzsch
1,4-Dihydropyridines with Potassium Peroxomonosulfate Catalyzed
by Manganese(III) Schiff Base Complexes
M. Nasr-Esfahani*, M. Moghadam and G. Valipour
Department of Chemistry, Yasouj University, Yasouj
75914-353, Iran
(Received 18 January 2007, Accepted 3 August 2007)
Rapid and efficient oxidation of Hantzsch
1,4-dihydropyridine with Potassium peroxomonosulfate is reported. The
Mn(III)-salophen/monopersulfate catalytic system converts
1,4-dihydropyridines to their corresponding pyridine derivatives at room
temperature in a 1:1, CH3CN/H2O mixture. The
ability of various Schiff base complexes in the oxidation of
1,4-dihydropyridine was also investigated.
Keywords: Biomimetic oxidation,
Manganese(III) Schiff base,
Oxone, 1,4-Dihydropyridine |
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