Received 5 March 2013
aKey Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry, University of Chinese Academy of Sciences, People's Republic of China, and bState Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, People's Republic of China
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The title compound, C19H20O6, consists of a tetrasubstituted benzene ring with one substituent being an ,-unsaturated cinnamoyl group, which forms an extended conjugated system in the molecule. In addition, two methoxymethoxy and one hydroxy group are bonded to the central benzene ring. The dihedral angle between eh rings is 10.22 (10)°. An intramolecular hydrogen bond is observed between the hydroxy group and the carbonyl O atom. One of the methoxymethoxy substituents is conformationally disordered over two sets of sites with site-occupation factors of 0.831 (3) and 0.169 (3).
For the preparation of the title compound, see: Sui et al. (2012). For general background to the biological activity of chalcones which posess more than one hydroxy substituent, see: Jun et al. (2007); Jin et al. (2007); Urgaonkar et al. (2005); Nerya et al. (2004, 2003); Khatib et al. (2005).
Data collection: CrysAlis PRO (Agilent, 2011); cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: IM2424 ).
This work was supported by a grant from the Xinjiang Natural Science Foundation (No. 2009211B34), the China National Science Fund for Distinguished Young Scholars (No. 30925045), the National Basic Research Program of China (No. 2011CB512013) and the CAS/SAFEA International Partnership Program for Creative Research Teams (2008-18).
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