Date Published: July 01, 2011
Publisher: International Union of Crystallography
Author(s): Mohamed Akhazzane, Hafid Zouihri, A. Kella Bennani, Abdelali Kerbal, Ghali Al Houari.
In the title compound, C19H18O, the exocyclic C=C double bond has an E configuration. The ethyl substituent on the cyclohexanone ring is in an axial position. The cyclohexanone ring adopts a half-chair conformation, presumably due to conjugation in the benzene ring.
For general background to dipolar-1,3 cycloaddition reactions, see: Bennani et al. (2007 ▶); Kerbal et al. (1988 ▶); Al Houari et al. (2008 ▶). For a related structure, see: Akhazzane et al. (2010 ▶). For puckering parameters, see: Cremer & Pople (1975 ▶).