Abstract
A method for the preparation of 4-mercapto-2,3,5,6-tetrachloropyridine was modified. 2,3,5,6-Tetrachloro-4-pyridyl β-hydroxyethyl sulfone was synthesized and converted to 4-hydroxytetra-chloropyridine by the action of a base. A mechanism for this rearrangement is proposed.
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C. D. S. Tomlin, J. W. Slater, D. Hatley, and C. J. Clayton, British Patent No. 1059990 (1967); Ref. Zh. Khim., 1.0486P (1976).
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C. K. Ingold, Theoretical Foundations of Organic Chemistry [Russian translation], Moscow (1973), p. 600.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1642–1645, December, 1978.
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Moshchitskii, S.D., Sologub, L.S., Kovalevskaya, T.V. et al. Rearrangement of 2,3,5,6-tetrachloro-4-pyridyl β-hydroxyethyl sulfone. Chem Heterocycl Compd 14, 1334–1337 (1978). https://doi.org/10.1007/BF00487401
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DOI: https://doi.org/10.1007/BF00487401