Heterocycles. CXXVII. Action of sulfur on some heterocyclic compounds. Formation of thioamides, oxidative cyclization and thiation
L. Kramberger
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorP. Lorenčak
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorS. Polanc
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorB. Verček
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorB. Stanovnik
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorM. Tišler
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorF. Považanec
Faculty of Chemical Technology, Slovak Technical University, Bratislava, Czechoslovakia
Search for more papers by this authorL. Kramberger
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorP. Lorenčak
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorS. Polanc
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorB. Verček
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorB. Stanovnik
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorM. Tišler
Department of Chemistry, University of Ljubljana, 6100 Ljubljana, Yugoslavia
Search for more papers by this authorF. Považanec
Faculty of Chemical Technology, Slovak Technical University, Bratislava, Czechoslovakia
Search for more papers by this authorAbstract
The formation of heterocyclic thioamides from alkylpyridines, heteroaromatic amines and sulfur was investigated. Oxidative cyclization of these thioamides afforded the corresponding thiazoloazines. Attempted thiation of some hydrazones gave triazolopyridines and some examples of direct thiation of heterocycles are given.
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