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Recyclization reactions of heterocycles XVIII. Synthesis and recyclization of thiazolium and benzothiazolium salts

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Abstract

A number of thiazolium salts were obtained, and their reaction with hydrazine was studied. On reaction with hydrazine the aryl-substituted thiazolium salts are recyclized to dihydro-l, 2, 4-triazines, whereas on reaction with monoalkylhydrazines they are converted to 4H, 5H-1, 2-4-triazinium salts; thiazolium salts are converted to hydrazidohydrazones on reaction with phenylhydrazine. Recyclization to the dihydro-sym-tetrazine system was observed for 2-phenyl-substituted benzothiazolium tosylate.

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Authors and Affiliations

  1. Institute of Physical Organic Chemistry and Coal Chemistry, Academy of Sciences of the Ukrainian SSR, Donetsk

    O. P. Shvaika & V. I. Fomenko

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  1. O. P. Shvaika
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  2. V. I. Fomenko
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Additional information

See [1] for communication XVII.

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 635–640, May, 1976.

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Shvaika, O.P., Fomenko, V.I. Recyclization reactions of heterocycles XVIII. Synthesis and recyclization of thiazolium and benzothiazolium salts. Chem Heterocycl Compd 12, 533–537 (1976). https://doi.org/10.1007/BF00470106

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  • DOI: https://doi.org/10.1007/BF00470106

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