Oxepin

Names

IUPAC name

Oxepine

Other names

Oxacycloheptatriene
Benzene oxide

Identifiers

291-70-3^Y

InChI=1S/C6H6O/c1-2-4-6-7-5-3-1/h1-6H
Key: ATYBXHSAIOKLMG-UHFFFAOYSA-N
InChI=1/C6H6O/c1-2-4-6-7-5-3-1/h1-6H
Key: ATYBXHSAIOKLMG-UHFFFAOYAS

Jmol-3D images

C1=CC=COC=C1

Properties

Chemical formula

C₆H₆O

Molar mass

94.11 g/mol

Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)

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Infobox references

Oxepin is an oxygen-containing heterocycle consisting of a seven-membered ring with three double bonds. It exists as an equilibrium mixture with benzene oxide. The oxepin-benzene oxide system has fluctuating bonds in which the equilibrium can be shifted to one extreme or the other by suitable substituents.^[1] This compound is not aromatic.

Oxepin-benzene oxide equilibrium

References

Wikimedia Commons has media related to Oxepins.

↑ E. Vogel and H. Günther (1967). "Benzene Oxide-Oxepin Valence Tautomerism". Angewandte Chemie International Edition in English 6 (5): 385–401. doi:10.1002/anie.196703851.