The title compound, C16H24Cl2O, was synthesized in three steps from β-himachalene (3,5,5,9-tetra-methyl-2,4a,5,6,7,8-hexa-hydro-1H-benzo-cyclo-heptene), which was isolated from essential oil of the Atlas cedar (cedrus atlantica). The asymmetric unit contains two independent mol-ecules with similar conformations. Each mol-ecule is built up from two fused seven-membered rings and an additional three-membered ring arising from the reaction of himachalene with di-chloro-carbene. 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 mol-ecules.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3884353 | PMC |
| http://dx.doi.org/10.1107/S1600536813028791 | DOI Listing |
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