Phenoxathiin (dibenzooxathiane) C12H8OS is a heterocyclic compound of molecular weight 200.25632 g/mol with the CAS Registry Number 262-20-4.[2]

Phenoxathiin
Names
Preferred IUPAC name
Phenoxathiine
Other names
1,4-Dibenzothioxine
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.005.433 Edit this at Wikidata
UNII
  • InChI=1S/C12H8OS/c1-3-7-11-9(5-1)13-10-6-2-4-8-12(10)14-11/h1-8H
    Key: GJSGGHOYGKMUPT-UHFFFAOYSA-N
  • c1ccc2c(c1)Oc3ccccc3S2
Properties
C12H8OS
Molar mass 200.26 g·mol−1
Melting point 52–56 °C (126–133 °F; 325–329 K)[1]
Boiling point 150–152 °C (302–306 °F; 423–425 K)[1] (at 5 mmHg)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Diphenyl ether is a starting material in the production of phenoxathiin via the Ferrario reaction.[3] Phenoxathiin is used in polyamide and polyimide production.[4]

References

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  1. ^ a b "Phenoxathiin". Sigma-Aldrich.
  2. ^ The Chemistry of Phenoxathiin and its Derivatives. Clara L. Deasy Chem. Rev., 1943, 32 (2), pp 173–194 DOI: 10.1021/cr60102a001 Publication Date: April 1943
  3. ^ Suter, C. M.; Maxwell, C. E. (1943). "Phenoxthin". Organic Syntheses; Collected Volumes, vol. 2, p. 485.
  4. ^ Mitsuru Ueoda; Tatsuo Aizawa; Yoshio Imai (1977). "Preparation and properties of polyamides and polyimides containing phenoxathiin units". Journal of Polymer Science: Polymer Chemistry Edition. 15 (11): 2739–2747. doi:10.1002/pol.1977.170151119.
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