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Pyrylocyanines. 30. Unsymmetrical 4,6,4′,6′-tetraphenyl-substituted 2-pyrido-2-pyrylocyanines with trimethylene groupings in the chromophore

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The reaction of methylamine with symmetrical 4,6,4′,6′-tetraphenyl-substituted 2-pyrylopolycarbocyanines, in which both a positions of the polymethine chain are linked to the β positions of the heterocyclic residues by trimethylene groups, was used to synthesize the corresponding pyridopyrylocyanines. The effect of trimethylene groupings in the 2-pyridocyanines on this transformation was examined. The principles involved in the color of the synthesized pyridopyrylocyanines were studied.

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Authors and Affiliations

  1. Institute of Organic Chemistry, Ukrainian Academy of Sciences, 252660, Kiev

    N. A. Derevyanko, A. A. Ishchenko & A. I. Tolmachev

Authors
  1. N. A. Derevyanko
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  2. A. A. Ishchenko
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  3. A. I. Tolmachev
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Additional information

See [1] for Communication 29.

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 345–348, March, 1992.

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Derevyanko, N.A., Ishchenko, A.A. & Tolmachev, A.I. Pyrylocyanines. 30. Unsymmetrical 4,6,4′,6′-tetraphenyl-substituted 2-pyrido-2-pyrylocyanines with trimethylene groupings in the chromophore. Chem Heterocycl Compd 28, 288–291 (1992). https://doi.org/10.1007/BF00529370

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  • DOI: https://doi.org/10.1007/BF00529370

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