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Synthesis of 4-trihalomethyl-2-oxobenz-1,5,3-oxathiazepines and 2-oxo-4-trichloromethylbenz-1,5,3-dithiazepine and their conversion to 2-trihalomethyl-2-isocyanatobenz-1,3-oxathiolanes and 2-isocyanato-2-trichloromethylbenz-1,3-dithiolane

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The reaction of perhaloethyl isocyanates with o-mercaptophenol and o-dimercaptobenzene gave 4-trihalomethyl-2-oxobenz-1,5,3-oxathiazepines and 2-oxo-4-trichloromethylbenz-1,5,3-dithiazepine, which at 100–110°C undergo contraction of the heteroring and are converted to the corresponding 2-trihalomethyl-2-isocyanato-1, 3-oxathiolanes and a dithiolane.

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Authors and Affiliations

  1. Institute of Organic Chemistry, Academy of Sciences of Ukraine, 252660, Kiev

    M. V. Vovk, V. I. Dorokhov, V. I. Boiko & L. I. Samarai

Authors
  1. M. V. Vovk
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  2. V. I. Dorokhov
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  3. V. I. Boiko
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  4. L. I. Samarai
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Additional information

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1472–1474, November, 1993.

We thank the State Committee for Problems of Science and New Technology of Ukraine for financial support of this research.

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Vovk, M.V., Dorokhov, V.I., Boiko, V.I. et al. Synthesis of 4-trihalomethyl-2-oxobenz-1,5,3-oxathiazepines and 2-oxo-4-trichloromethylbenz-1,5,3-dithiazepine and their conversion to 2-trihalomethyl-2-isocyanatobenz-1,3-oxathiolanes and 2-isocyanato-2-trichloromethylbenz-1,3-dithiolane. Chem Heterocycl Compd 29, 1265–1267 (1993). https://doi.org/10.1007/BF00532021

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  • DOI: https://doi.org/10.1007/BF00532021

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