1,4,2-Dithiazole

1,4,2-Dithiazole
Names
	Preferred IUPAC name 5H-1,4,2-Dithiazole
Identifiers
CAS Number	289-12-3;
3D model (JSmol)	Interactive image;
ChemSpider	11438410 ;
PubChem CID	21943157;
UNII	9Z36GFK3RQ ;
CompTox Dashboard (EPA)	DTXSID101028618 ;
	InChI InChI=1S/C2H3NS2/c1-3-5-2-4-1/h1H,2H2 Key: MNNJLAZJQBWSST-UHFFFAOYSA-N ;
	SMILES C1SC=NS1;
Properties
Chemical formula	C2H3NS2
Molar mass	105.17 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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]

References

^ 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.
^ 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.
^ 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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[Argyropoulos1996-1] 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] 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.

[WaiSammes1992-3] 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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