Research Article: (2E)-4-tert-Butyl-2-(4-meth­oxy­benzyl­idene)-3,4-dihydro­naphthalen-1(2H)-one

Date Published: July 01, 2011

Publisher: International Union of Crystallography

Author(s): Mohamed Akhazzane, Hafid Zouihri, Maria Daoudi, Abdelali Kerbal, Ghali Al Houari.

http://doi.org/10.1107/S1600536811021969

Abstract

In the title compound C22H24O2, the exocyclic C=C double bond is in an E configuration and the tert-butyl group is in an axial position on the cyclo­hexa­none ring. The cyclo­hexa­none ring in the dihydro­naphthalene fused-ring system adopts a half-chair conformation in both independent two mol­ecules in the asymetric unit. The benzene ring system is oriented angles of 43.97 (12) and 39.24 (12)° with respect to the naphthyl ring system in the two independent mol­ecules. In the crystal, mol­ecules are linked via C—H⋯O hydrogen bonds and C—H⋯π inter­actions.

Partial Text

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 conformation analysis, see: Cremer & Pople (1975 ▶).

 

Source:

http://doi.org/10.1107/S1600536811021969

 

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