Abstract
5,6-Trimethylenethiapyrylium salts have been obtained for the first time. 5,6-Trimethyleneγ-thiopyrans (or 5,6,7,8-tetrahydro-γ-thiochromenes), which belong to a previously unknown series of two-ring sulfides, are formed by reaction of the 5,6-trimethylenethiapyrylium salts (or 5,6,7,8-tetrahydrothiochromylium salts) with Grignard reagents and lithium aluminum hydride.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 489–492, April, 1974.
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Kharchenko, V.G., Klimenko, S.K. & Berezhnaya, M.N. 5,6-Trimethylenethiapyrylium and 5,6,7,8-tetrahydrothiochromylium salts. Chem Heterocycl Compd 10, 424–427 (1974). https://doi.org/10.1007/BF00945632
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DOI: https://doi.org/10.1007/BF00945632