Received 14 August 2008
The asymmetric unit of the title compound, C20H24O6, contains two molecules that are identical within standard deviations concerning bond lengths and angles as well as their conformations. In the crystal structure, weak C-HO interactions help to consolidate the packing.
Data collection: APEX2 (Bruker, 2004); cell refinement: SAINT (Bruker, 2004); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: IM2081 ).
We thank Professor Bill Clegg (University of Newcastle/Daresbury Laboratory) for collecting the diffraction data and performing the initial processing.
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