Abstract
Representatives of a new heterocyclic system — thiopyrano[4,3-b]benzofuran — were synthesized by cyclization of the O-aryl ethers of tetrahydro-4-thiopyrone and 4-thiochromanone oximes in acid media.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 762–764, June, 1971.
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Sharkova, L.M., Aksanova, L.A., Kucherova, N.F. et al. Synthesis of thiopyrano[4,3-b]benzofurans. Chem Heterocycl Compd 7, 710–712 (1971). https://doi.org/10.1007/BF00476813
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DOI: https://doi.org/10.1007/BF00476813