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Synthesis of 4-ethoxyflavylium salts and flavones

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

4-Ethoxybenzopyrylium salts, which are converted to the corresponding flavones in quantitative yields by refluxing with water, were synthesized by condensation of o-hydroxyacetophenones with aromatic aldehydes in the presence of ethyl orthoformate and 70% perchloric acid.

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Literature cited

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Authors and Affiliations

  1. Scientific-Research Institute of Physical and Organic Chemistry, Rostov State University, 344711, Rostov-on-Don

    G. N. Dorofeenko, V. V. Tkachenko, V. I. Yakovenko, V. V. M Ezheritskii & É. T. Oganesyan

  2. Pharmaceutical Institute, Pyatigorsk

    G. N. Dorofeenko, V. V. Tkachenko, V. I. Yakovenko, V. V. M Ezheritskii & É. T. Oganesyan

Authors
  1. G. N. Dorofeenko
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  2. V. V. Tkachenko
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  3. V. I. Yakovenko
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  4. V. V. M Ezheritskii
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  5. É. T. Oganesyan
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Additional information

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 187–190, February, 1977.

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Dorofeenko, G.N., Tkachenko, V.V., Yakovenko, V.I. et al. Synthesis of 4-ethoxyflavylium salts and flavones. Chem Heterocycl Compd 13, 149–152 (1977). https://doi.org/10.1007/BF00497865

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  • DOI: https://doi.org/10.1007/BF00497865

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