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Isobenzofuran

Names
Preferred IUPAC name 2-Benzofuran
Other names 2-Oxa-2H-isoindene; Benzofuran
Identifiers
CAS Number	270-75-7
3D model (JSmol)	Interactive image
ChEBI	CHEBI:35261
ChemSpider	9553388
PubChem CID	11378474
UNII	9T5PJS6W2B
CompTox Dashboard (EPA)	DTXSID00943009
InChI InChI=1S/C8H6O/c1-2-4-8-6-9-5-7(8)3-1/h1-6HKey: UXGVMFHEKMGWMA-UHFFFAOYSA-N InChI=1/C8H6O/c1-2-4-8-6-9-5-7(8)3-1/h1-6HKey: UXGVMFHEKMGWMA-UHFFFAOYAR
SMILES o2cc1ccccc1c2
Properties
Chemical formula	C8H6O
Molar mass	118.13 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is  ?) Infobox references

Isobenzofuran is a bicyclic heterocycle consisting of fused cyclohexa-1,3-diene and furan rings. It is isomeric with benzofuran.

Isobenzofuran is highly reactive and rapidly polymerizes; however, it has been identified and prepared by thermolysis of suitable precursors and trapped at low temperature.

Though isobenzofuran itself is not stable, it is the parent of related stable compounds with more complex structures, such as the hindered analogue 1,3-diphenylisobenzofuran.

References

1. International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 218. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
2. Fieser, L. F.; Haddadin, M. J. (1964). "Isobenzofuran, a Transient Intermediate". Journal of the American Chemical Society. 86 (10): 2081–2082. doi:10.1021/ja01064a044.
3. Wege, D. (1971). "Isolation of Isobenzofuran". Tetrahedron Letters. 12 (25): 2337–2338. doi:10.1016/S0040-4039(01)96856-X.
4. Joule, J. A.; Mills, K.; Smith, G. F. (1995). Heterocyclic Chemistry (3rd ed.). CRC Press. pp. 364–365. ISBN 978-0748740697.

• Isobenzofurans
• Simple aromatic rings