Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 6 (June 2013)

organic compounds

Acta Cryst. (2013). E69, o830    [ doi:10.1107/S1600536813011781 ]


N. Ourhriss, A. Benharref, A. Oukhrib, J.-C. Daran and M. Berraho

Abstract: The title compound, C16H22Cl2O, was synthesized from [beta]-himachalene (3,5,5,9-tetra­methyl-2,4a,5,6,7,8-hexa­hydro-1H-benzo­cyclo­heptene), which was isolated from the essential oil of the Atlas cedar (Cedrus Atlantica). The mol­ecule is built up from fused six- and seven-membered rings and an additional three-membered ring arising from the reaction of himachalene with di­chloro­carbene. The six-membered ring has an envelope conformation, with the C atom belonging to the three-membered ring forming the flap, whereas the seven-membered ring displays a screw-boat conformation; the dihedral angle between the rings (all atoms) is 59.65 (14)°.

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[ doi:10.1107/S1600536813011781/tk5222Isup3.cml ]
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