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Synthesis of cycloalkenopyrylium salts

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Acylation of cyclopentylidenecyclopentanone, cyclohexenylcyclohexanone, and cycloneptenylcycloheptanone with anhydrides of aliphatic acids in the presence of 70% perchloric acid is studied. A simple method of synthesis of 2-alkyl-3, 4; 5, 6-bicycloalkenopyrylium salts is given. Treatment of the pyrylium salts with ammonia gives 2-alkyl-3, 4; 5, 6-bicyclopenteno- and cycloheptenopyridine in good yields.

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Authors and Affiliations

  1. Rostov-on-Don State University, USSR

    G. N. Dorofeenko, Yu. A. Zhdanov, V. I. Dulenko, V. A. Palchkov & N. V. Kovalenko

  2. All-Union Scientific Research Institute for Reagents and Ultrapure Chemicals Donetsk Branch, USSR

    G. N. Dorofeenko, Yu. A. Zhdanov, V. I. Dulenko, V. A. Palchkov & N. V. Kovalenko

Authors
  1. G. N. Dorofeenko
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  2. Yu. A. Zhdanov
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  3. V. I. Dulenko
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  4. V. A. Palchkov
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  5. N. V. Kovalenko
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Dorofeenko, G.N., Zhdanov, Y.A., Dulenko, V.I. et al. Synthesis of cycloalkenopyrylium salts. Chem Heterocycl Compd 2, 120–122 (1967). https://doi.org/10.1007/BF00480951

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  • DOI: https://doi.org/10.1007/BF00480951

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