Fun Hoong-Kun, Farhadikoutenaei Abbas, Sarojini B K, Mohan B J, Narayana B
Acta Crystallogr Sect E Struct Rep Online. 2012 Sep 1;68(Pt 9):o2788-9. doi: 10.1107/S1600536812036446. Epub 2012 Aug 25.
The asymmetric unit of the title compound, C(22)H(22)O(4), consists of two independent mol-ecules (A and B). The cyclo-hexene rings adopt slightly distorted sofa conformations in both mol-ecules. The dihedral angles between the benzene rings are 74.16 (13) and 71.85 (13)° in mol-ecules A and B, respectively. In the crystal, weak C-H⋯O hydrogen bonds link the mol-ecules into a ribbon-like structure along the b axis. Weak C-H⋯π inter-actions are also observed.