Abstract
The reaction of chlorocarbonylisocyanate with N-substituted thioamides of alkanecarboxylic acids has led to the synthesis oftetrahydro-2,4-dioxo-6-alkylidene-1,3,5-thiadiazines, for which tautomeric transformations to the corresponding ureidocarbonylthioacetylenes have been observed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1139–1142, August, 1993.
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Vovk, M.V. Synthesis and tautomerism of tetrahydro-2,4-dioxo-6-alkylidene-1,3,5-thiadiazines. Chem Heterocycl Compd 29, 972–975 (1993). https://doi.org/10.1007/BF00534281
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DOI: https://doi.org/10.1007/BF00534281