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Tetrazoles. 13. Protonation of tetrazolylacetic acids

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The protonation of isomeric 1H-, 2H-, and 5H-tetrazolylacetic acids, as well as a series of 5-aryl-1H- and 5-aryl-2H-tetrazolylacetic acids, in aqueous sulfuric acid solutions was studied by IR, UV, and PMR spectroscopy. It is shown that all of the investigated tetrazolylacetic acids are protonated in the tetrazole ring at sulfuric acid concentrations up to 96%; the proton adds to the nitrogen atom in the 4 position.

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Authors and Affiliations

  1. Lensovet Leningrad Technological Institute, 198013, Leningrad

    V. S. Poplavskii, V. A. Ostrovskii & G. I. Koldobskii

Authors
  1. V. S. Poplavskii
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  2. V. A. Ostrovskii
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  3. G. I. Koldobskii
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Additional information

See [1] for communication 12.

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1421–1425, October, 1982.

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Poplavskii, V.S., Ostrovskii, V.A. & Koldobskii, G.I. Tetrazoles. 13. Protonation of tetrazolylacetic acids. Chem Heterocycl Compd 18, 1107–1111 (1982). https://doi.org/10.1007/BF00503206

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  • DOI: https://doi.org/10.1007/BF00503206

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