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Oxidation and reduction of some derivatives of benzo-2,1,3-thiadiazole

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

In the reduction of 4-hydroxy-7-phenylazobenzo-2,1,3-thiadiazole and of 4-hydroxy-7-nitro-benzo-2,1, 3-thiadiazole with sodium hydrosulfite, 7-amino-4-hydroxybenzo-2,1,3-thiadiazole is obtained. The reduction of 4-hydroxybenzo-2,1,3-thiadiazole leads to 2,3-diaminophenol which forms 5-hydroxyquinoxaline with the bisulfite derivative of glyoxal. The oxidation of 4-hydroxy- and 4-aminobenzo-2,1,3-thiadiazoles with potassium dichromate in an acid medium has yielded 4,7-dioxo-4,7-dihydrobenzo-2,1,3-thiadiazole, which has been converted into 4,7-dihydroxybenzo-2,1,3-thiadiazole and 4,7-di(hydroxyimino)-4,7-dihydrobenzo-2,1,3-thiadiazole.

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Authors and Affiliations

  1. S. M. Kirov Academy of Military Medicine, Leningrad

    I. A. Belen'kaya, N. S. Tsepova, Ya. L. Kostyukovskii & V. G. Pesin

Authors
  1. I. A. Belen'kaya
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  2. N. S. Tsepova
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  3. Ya. L. Kostyukovskii
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  4. V. G. Pesin
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Additional information

Translated from Khimiya Geterotsikliches-kikh Soedinenii, No. 7, pp. 926–929, July, 1973.

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Belen'kaya, I.A., Tsepova, N.S., Kostyukovskii, Y.L. et al. Oxidation and reduction of some derivatives of benzo-2,1,3-thiadiazole. Chem Heterocycl Compd 9, 853–856 (1973). https://doi.org/10.1007/BF00471566

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  • DOI: https://doi.org/10.1007/BF00471566

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