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Mass spectrometry of nitrogen heterocycles. 3. Thermal intramolecular cyclization of 2-azolylaminopyridines

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Mass spectrometric fragmentation or decay of 2-azolylaminopyridines containing a carbonyl group in the ortho-position results in elimination of a neutral molecule (ammonia, ethanol, hydrogen sulfide). This decay process is accompanied by intramolecular cyclization to form an ion with a triazolo[1,5-a]pyrido[2,3-d]pyrimidine structure.

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Authors and Affiliations

  1. S. M. Kirov Ural Polytechnical Institute, Sverdlovsk

    V. L. Rusinov, N. A. Klyuev, V. G. Baklykov, T. L. Pilicheva & A. A. Tumashov

Authors
  1. V. L. Rusinov
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  2. N. A. Klyuev
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  3. V. G. Baklykov
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  4. T. L. Pilicheva
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  5. A. A. Tumashov
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Additional information

For Communication 2, see [1].

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 101–104, January, 1991.

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Rusinov, V.L., Klyuev, N.A., Baklykov, V.G. et al. Mass spectrometry of nitrogen heterocycles. 3. Thermal intramolecular cyclization of 2-azolylaminopyridines. Chem Heterocycl Compd 27, 84–88 (1991). https://doi.org/10.1007/BF00633225

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  • DOI: https://doi.org/10.1007/BF00633225

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