Phenoxathiin (dibenzooxathiane) C₁₂H₈OS is a heterocyclic compound of molecular weight 200.25632 g/mol with the

CAS Registry Number A CAS Registry Number (also referred to as CAS RN or informally CAS Number) is a unique identification number assigned by the Chemical Abstracts Service (CAS), US to every chemical substance described in the open scientific literature. It inclu ...

262-20-4.

Diphenyl ether Diphenyl ether is the organic compound with the formula ( C6 H5)2 O. It is a colorless solid. This, the simplest diaryl ether, has a variety of niche applications. Synthesis and reactions Diphenyl ether and many of its properties were first re ...

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 1928), American footballer * Carlo Ferrario (born 1986), Italian footballer * Joseph Anthony Ferrario (1926–2003), American Roman Catholic bishop ...

. 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 through ...

and polyimide production.

References

{{Reflist

External links

Chemicalbook.com

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