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A new method for the construction of pyrylium and pyridine rings fused to derivatives of furan and indole

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

A simple method is described for the construction of the pyrylium ring fused to furans and indoles, by the acylation of 2-methyl-5-acetonylfuran, 3-acetonylindole and its 1-alkyl derivatives with acid anhydrides in presence of 70% perchloric acid. The previously unknown furano[3, 2-c]-and indolo[2, 3-c]pyrylium salts are prepared. A method for the preparation of 4-methyl-harman and its alkyl homolog has been developed.

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Authors and Affiliations

  1. Donetsk Branch Institute for Chemical Reagents and Particularly Pure Substances, Rostov-on-Don State University, USSR

    G. N. Dorofeenko & L. V. Dulenko

Authors
  1. G. N. Dorofeenko
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  2. L. V. Dulenko
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Dorofeenko, G.N., Dulenko, L.V. A new method for the construction of pyrylium and pyridine rings fused to derivatives of furan and indole. Chem Heterocycl Compd 5, 313–315 (1969). https://doi.org/10.1007/BF00471132

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  • DOI: https://doi.org/10.1007/BF00471132

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