Acta Cryst. (2012). E68, o568-o569 [ doi:10.1107/S1600536812002784 ]
Abstract: In the title molecule, C24H32O10, one tert-butyl ester group is folded towards the central benzene ring while the other is directed away. The acetyl group is almost perpendicular to the benzene ring to which it is connected [C-C-O-C torsion angle = 90.4 (12)°]. The conformation about the ethene bond [1.313 (7) Å] is E. The atoms of the benzene ring and its attached ester group and part of the hydroxy tert-butyl ester side chain are disordered over two sets of sites in a 50:50 ratio. Linear supramolecular chains along the a axis mediated by hydroxy-carbonyl O-H
O hydrogen bonds feature in the crystal packing. The same H atom also partakes in an intramolecular O-HO interaction.
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