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Conversion of 4-substituted benzo-2,1,3-thiadiazoles to 5-chloro-4,7-dioxobenzo-2,1,3-thiadiazole by action of hydrogen peroxide and hydrochloric acid

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Under the influence of hydrogen peroxide and hydrochloric acid in acetonitrile 4-substituted benzo-2,1,3-thiadiazoles form 5-chloro-4,7-dioxobenzo-2,1,3-thiadiazole. 4-Alkoxy- and 4-[(alkoxycarbonyl)methoxy]benzo-2,1,3-thiadiazoles give, in addition, the corresponding 5,7-dichloro derivatives.

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Authors and Affiliations

  1. A. V. Bogatskii Physicochemical Institute, Academy of Sciences of the Ukrainian SSR, 270080, Odessa

    I. A. Belen'kaya, G. P. Krokhina, S. A. Sirik & S. A. Andronati

Authors
  1. I. A. Belen'kaya
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  2. G. P. Krokhina
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  3. S. A. Sirik
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  4. S. A. Andronati
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 114–117, January, 1988.

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Belen'kaya, I.A., Krokhina, G.P., Sirik, S.A. et al. Conversion of 4-substituted benzo-2,1,3-thiadiazoles to 5-chloro-4,7-dioxobenzo-2,1,3-thiadiazole by action of hydrogen peroxide and hydrochloric acid. Chem Heterocycl Compd 24, 96–99 (1988). https://doi.org/10.1007/BF00475579

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  • DOI: https://doi.org/10.1007/BF00475579

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