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Condensed heterocycles with a thiazole ring. 2. Monomethylidynecyanine dyes of the thiazolo[3,4-a]pyrimidine series

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Abstract

Unsymmetrical monomethylidynecyanine dyes that contain benzothiazole or quinoline residues were obtained on the basis of thiazolopyrimidine. The energies of the transitions and the electron distributions in the ground, first, and second excited states were calculated for several of the dyes obtained and for model compounds by the self-consistent-field configuration-interaction (SCF CI) method in order to interpret the first absorption bands and determine the localization of the electron transitions.

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Literature cited

  1. E. K. Mikitenko, A. D. Kachkovskii, and N. N. Romanov, Khim. Geterotsikl. Soedin., No. 5, 634 (1982).

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Authors and Affiliations

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

    A. D. Kachkovskii, E. K. Mikitenko & N. N. Romanov

Authors
  1. A. D. Kachkovskii
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  2. E. K. Mikitenko
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  3. N. N. Romanov
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Additional information

See [1] for communication 1.

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 639–643, May, 1982.

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Kachkovskii, A.D., Mikitenko, E.K. & Romanov, N.N. Condensed heterocycles with a thiazole ring. 2. Monomethylidynecyanine dyes of the thiazolo[3,4-a]pyrimidine series. Chem Heterocycl Compd 18, 480–484 (1982). https://doi.org/10.1007/BF00526081

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  • DOI: https://doi.org/10.1007/BF00526081

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