Dithiazole

1,4,2-Dithiazole

1,4,2-Dithiazole

Chemical compound

1,4,2-Dithiazole is a heterocyclic compound consisting of an unsaturated five-membered ring containing two carbon atoms, one nitrogen atom, and two sulfur atoms. 1,4,2-Dithiazole compounds may be formed by the reaction of nitrile sulfide (formed by the thermolysis of oxathiazolone) with various reactive species;[1] for instance thiocarbonyls via a 1,3-dipolar cycloaddition reaction.[2] These compounds may be protonated by strong acids to give synthetically useful aromatic cations.[3]

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References

  1. [1]
    Argyropoulos, Nikolaos G. (1996). "1,4-Oxa/thia-2-azoles". Comprehensive Heterocyclic Chemistry II: 491–543. doi:10.1016/B978-008096518-5.00092-7. ISBN 978-0-08-096518-5.
  2. [2]
    Wai, Kwok-Fai; Sammes, Michael P. (1991). "Dithiazoles and related compounds. Part 3. Preparation of 5H-1,4,2-dithiazoles via 1,3-dipolar cycloadditions between nitrile sulphides and thiocarbonyl compounds, and some conversions into 3,5-diaryl-1,4,2-dithiazolium salts". Journal of the Chemical Society, Perkin Transactions 1 (1): 183. doi:10.1039/p19910000183. ISSN 0300-922X.
  3. [3]
    Wai, Kwok-Fai; Sammes, Michael P. (1992). "Dithiazoles and related compounds. Part. 4. Preparation of 1,4,2-dithiazolium salts unsubstituted at C-5 including the parent heterocycle, NMR spectroscopic evidence for aromaticity, and some novel reactions". Journal of the Chemical Society, Perkin Transactions 1 (16): 2065. doi:10.1039/p19920002065. ISSN 0300-922X.


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