Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 11 (November 2013)

organic compounds

Acta Cryst. (2013). E69, o1703    [ doi:10.1107/S1600536813028791 ]


A. Benharref, J. EL Karroumi, J.-C. Daran and M. Berraho

Abstract: The title compound, C16H24Cl2O, was synthesized in three steps from [beta]-himachalene (3,5,5,9-tetra­methyl-2,4a,5,6,7,8-hexa­hydro-1H-benzo­cyclo­heptene), which was isolated from essential oil of the Atlas cedar (cedrus atlantica). The asymmetric unit contains two independent mol­ecules with similar conformations. Each mol­ecule is built up from two fused seven-membered rings and an additional three-membered ring arising from the reaction of himachalene with di­chloro­carbene. The dihedral angles between the mean planes of the two seven-membered rings are 75.03 (9) and 75.02 (9)° in the two independent mol­ecules.

CCDC reference: 967472

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