Synthesis of substituted 2-pyridones and 4-aza-3-fluoridones

Substituted N-methyl-2-pyridones and N-methyl-4-aza-3-fluoridones, a previously unknown group of heterocyclic compounds, were obtained by oxidation of 3-methyl-2-phenylpyridine, 3-methyl-2-phenyl-5-(3′-methyl-2′-phenylpyridin-6′-yl)pyridine iodomethylates, as well as of 4-aza-fluorenes substituted at the 9-position. © 1987 Plenum Publishing Corporation.