Abstract
Acetylenic γ- and δ-keto alcohols and acetals of acetylenic γ- and δ-keto alcohols and acetals of acetylenic γ- and δ-formyl alcohols undergo cyclization to γ-dihydropyrones and β-dihydrofuranones under the influence of acids.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1471–1473, November, 1976.
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Vereshchagin, L.I., Gavrilov, L.D., Titova, E.I. et al. Synthesis of γ- dihydropyrones and β- dihydrofuranones on the basis of acetylenic γ- and δ-keto alcohols and acetals of γ- and δ-formyl alcohols. Chem Heterocycl Compd 12, 1212–1214 (1976). https://doi.org/10.1007/BF00470215
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DOI: https://doi.org/10.1007/BF00470215