G. D. Titskii, E. S. Mitchenko, T. S. Gaidash
Oct 14, 2010
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Theoretical and Experimental Chemistry
Abstract
The nucleophilic aromatic substitution of bromine into 2-bromo-1-ethylpyridinium bromide (I) in its reaction with triethylamine (II) is accompanied by subsequent oxidation of the intermediates by molecular oxygen dissolved in acetonitrile. The following reaction products were identified: 1-ethyl-2-pyridone, triethylamine N-oxide, and the hydrobromide salt of triethylamine. The reaction kinetics was studied with reagents ratios[II] >> [O2] >> [I]. The reaction has first-order kinetics relative to the reagents.