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Reactions of polyhalogenopyridines. 14. Reaction of isomeric dichlorocyanopyridines and pentachloropyridine with potassium ethylxanthate

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The reactions of isomeric tetrachlorocyanopyridines with potassium ethylxanthate were studied. It was found that tetrachloro-2-cyanopyridine was converted successively into 4-mono- and then 3,4-bisethylxanthate derivatives. In the presence of potassium ethylxanthate the last derivative undergoes intramolecular cyclization with the formation of derivatives of 1,3-dithiolo[4,5-c]pyridine. In the case of other initial polychloropyridines processes involving substitution of the chlorine atoms by the ethylxanthate fragment, sometimes accompanied by the loss of COS molecules, were observed instead of heterocyclization.

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Authors
  1. A. M. Sipyagin
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  2. V. V. Kolchanov
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  3. A. T. Lebedev
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  4. N. K. Karakhanova
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Additional information

For Communication 13, see [1].

Chernogolovka Institute of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432. M. V. Lomonosov Moscow State University, Moscow 119899. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1510–1520, November, 1997.

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Sipyagin, A.M., Kolchanov, V.V., Lebedev, A.T. et al. Reactions of polyhalogenopyridines. 14. Reaction of isomeric dichlorocyanopyridines and pentachloropyridine with potassium ethylxanthate. Chem Heterocycl Compd 33, 1306–1314 (1997). https://doi.org/10.1007/BF02320333

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  • DOI: https://doi.org/10.1007/BF02320333

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