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Communication | Regular issue | Vol 20, No. 9, 1983, pp.1751-1753
Published online, 1st January, 1970
DOI: 10.3987/R-1983-09-1751
The First Isolation of Isomeric α- and β-Phenylazoxypyridine-N-oxides

Erwin Buncel and Sam-Rok Keum

*Department of Chemistry, Queen’s University, Kingston, Ontario K6L 3N6, Canada


The oxidation of 4-phenylazopyridine gives rise to the isomeric α- and β-4-phenylazoxypyridine-N-oxides, contrary to a previous literature report. 3-Phenylazopyridine similarly affords the respective α- and β-azoxy compounds but 2-phenylazopyridine yields only the α-azoxy product.