Oxidative aromatization of Hantzsch 1,4-dihydropyridines by cupric bromide under mild heterogeneous condition
Tetrahedron Letters(2014)
Abstract
A mild heterogeneous oxidizing agent, cupric bromide has been utilized for the oxidative aromatization of Hantzsch 1,4-dihydropyridines to the corresponding pyridine derivatives in excellent yields with the isolation of products by simple work-up procedure.
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Key words
Oxidative aromatization,Cupric bromide,Hantzsch dihydropyridine,Pyridine,Heterogeneous condition
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