Phenoxathiin (dibenzooxathiane) C₁₂H₈OS is a

heterocyclic compound A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s). Heterocyclic organic chemistry is the branch of organic chemistry dealing with the synthesis, proper ...

of molecular weight 200.25632 g/mol with the CAS Registry Number 262-20-4. Diphenyl ether is a starting material in the production of phenoxathiin via the

Ferrario reaction Ferrario is an Italian surname. Notable people with the surname include: * Bill Ferrario (born 1978), American footballer * Carlo Ferrario (born 1986), Italian footballer * Carlo Ferrario (1833–1907), Italian painter and scenic designer * Jo ...

. Phenoxathiin is used in

polyamide A polyamide is a polymer with repeating units linked by amide bonds. Polyamides occur both naturally and artificially. Examples of naturally occurring polyamides are proteins, such as wool and silk. Artificially made polyamides can be made throug ...

and

polyimide Polyimide (sometimes abbreviated PI) is a monomer containing imide groups belonging to the class of high-performance plastics. With their high heat-resistance, polyimides enjoy diverse applications in roles demanding rugged organic materials, suc ...

production.

References

{{Reflist

External links

Chemicalbook.com

Webbook.nist.gov
Sulfur heterocycles Nitrogen heterocycles Heterocyclic compounds with 3 rings