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Study of the prototropic tautomerism in the 1,2,4-triazino[2,3-a]benzimidazol-(4h)-3-one system

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The peri-prototropic tautomerism of 1,2,4-triazino[2,3-a]benzimidazol-(4H)-3-one in the gas and liquid phases was studied by IR and PMR spectroscopy, high-efficiency liquid chromatography, mass spectrometry, and photoionization. Analytical criteria were found for the fixed tautomeric forms of this compound, which permitted us to evaluate the nature of the methylation reaction carried out by different methods.

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Authors and Affiliations

  1. A. N. Severtsov Institute of Evolutionary Morphology and Animal Ecology, Russian Academy of Sciences, 117071, Moscow

    N. A. Klyuev, M. V. Povstyanoi, V. M. Orlov, V. P. Gnidets & V. P. Kruglenko

  2. Kherson Industrial Institute, 325008, Kherson

    N. A. Klyuev, M. V. Povstyanoi, V. M. Orlov, V. P. Gnidets & V. P. Kruglenko

Authors
  1. N. A. Klyuev
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  2. M. V. Povstyanoi
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  3. V. M. Orlov
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  4. V. P. Gnidets
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  5. V. P. Kruglenko
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 937–943, July, 1992.

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Klyuev, N.A., Povstyanoi, M.V., Orlov, V.M. et al. Study of the prototropic tautomerism in the 1,2,4-triazino[2,3-a]benzimidazol-(4h)-3-one system. Chem Heterocycl Compd 28, 779–784 (1992). https://doi.org/10.1007/BF00474492

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  • DOI: https://doi.org/10.1007/BF00474492

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