13-04661. Hemi-Dewar Biphenyl [Archived]
Nomenclature
CAS number: 4655-30-5
2-Phenylbicyclo[2.2.0]hexa-2,5-diene. C12H10; mol wt 154.21.
C 93.46%, H 6.54%.
Description and references
Prepn by decompn of cyclobutadieneiron tricarbonyl with ceric ammonium nitrate in the presence of phenylacetylene: Burt, Pettit, Chem. Commun. 1965, 517.
Properties
Oil. nD26 1.5834. Upon heating to 90° for several minutes is converted quantitatively into biphenyl.Status
This monograph has been retired and is no longer subject to revision or update.