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Type: Journal article
Title: Di-tert-butyl (2R,3R)-2-{[(2E)-3-(4-acetyloxy-3-methoxyphenyl)prop-2-enoyl]-oxy}-3-hydroxybutanedioate
Author: Hixson, J.
Taylor, D.
Ng, S.
Tiekink, E.
Citation: Acta Crystallographica Section E-Structure Reports Online, 2012; 68(3):o568-o569
Publisher: Blackwell Munksgaard
Issue Date: 2012
ISSN: 1600-5368
Statement of
Josh L. Hixson, Dennis K. Taylor, Seik Weng Ng, and Edward R. T. Tiekink
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-H...O interaction.
Rights: Copyright © International Union of Crystallography
RMID: 0020117320
DOI: 10.1107/S1600536812002784
Appears in Collections:Wine Science publications

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