Received 11 April 2012
The absolute configuration of the title compound, C18H24O5·H2O, was not been determined by anomalous-dispersion effects, but has been assigned by reference to an unchanging chiral centre in the synthetic procedure. Intramolecular O-HO hydrogen bonds stabilize the molecular conformation. In the crystal, O-HO hydrogen bonds link the main molecules and the water molecules, forming an infinite three-dimensional network.
For the preparation of zearalanone from natural zearalenone, see: Urry et al. (1966). For the crystal structures of zearalenone and its derivatives, see: Panneerselvam et al. (1996); Gelo-Pujic et al. (1994); Zhao et al. (2008). For the estrogenic and anabolic effects of zearalenone and its derivatives, see: Mirocha et al. (1968). For the exploitation of zearalanone as an internal standard, see: Berthiller et al. (2005); Maragou et al. (2008); Ren et al. (2007); Shin et al. (2009).
Data collection: APEX2 (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: FJ2544 ).
The authors thank Dr Robert Köppen from the Federal Institute for Materials Research and Testing (BAM) for his assistance in obtaining zearalanone crystals.
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