Abstract
When arylhydrazones of α-methyleneketones are treated with thionyl chloride they form 2-aryl-1,2,3-thiadiazolium chlorides in high yield, via the intermediate 1,2,3-thiadiazol-3-ine 1-oxides. The effect of substituents on the course of the cyclization was investigated.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1550–1551, November, 1989.
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Alekseenko, T.A., Bazhbeuk-Melikova, T.S., Zelenskaya, O.V. et al. 2-Aryl-1,2,3-thiadiazolium salts. Chem Heterocycl Compd 25, 1299–1300 (1989). https://doi.org/10.1007/BF00481528
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DOI: https://doi.org/10.1007/BF00481528