Received 1 October 2012
The title compound, C12H14O3, is a natural product derived from the medium-sized hawthorn Crataegus persimilis ('prunifolia'). The mean plane of the butene moiety is twisted by 13.27 (7)° with respect to the that of the dioxobenzaldehyde moiety. There is an intramolecular hydrogen bond between the hydroxyl group and the carbonyl O atom.
For isolation from plant material, see: Castro et al. (1989). For the synthesis, see: Camps et al. (1985). For photolysis to form 4-chromanones, see: Primo et al. (1982). For a related structure, see: Zeller et al. (2010).
Data collection: COLLECT (Nonius, 2000); cell refinement: DENZO and SCALEPACK (Otwinowski & Minor, 1997); data reduction: DENZO and SCALEPACK; program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX publication routines (Farrugia, 1999).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: IM2405 ).
The purchase of the diffractometer was made possible by grant No. LEQSF (1999-2000)-ENH-TR-13, administered by the Louisiana Board of Regents.
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