Abstract
Condensation of di- and triacetylarenes with 1,1,1,3-tetrachloro-3-alkoxypropanes or Β,Β-dichloroacrolein in acidic media gave a number of (dichloropentadienyl)- and tris (dichloropentadienyl)-substituted aryl ketones, which, in the case of acetic acid in the presence of phosphoric acid, are converted to the corresponding di- and tri(2-pyron-6-yl)arenes. It was observed that nitric acid has an oxidation effect on 2-pyrones.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 897–901, July, 1977.
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Sokolovskaya, S.V., Moldovanova, L.K. Di- and tri(2-pyron-6-yl)arenes. Chem Heterocycl Compd 13, 723–727 (1977). https://doi.org/10.1007/BF00470188
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DOI: https://doi.org/10.1007/BF00470188