1,4-Di-tert-butyl (2R,3R)-2-({(2E)-3-[4-(acetyloxy)phenyl]prop-2-enoyl}oxy)-3-hydroxybutanedioate

1,4-Di-tert-butyl (2R,3R)-2-({(2E)-3-[4-(acetyloxy)phenyl]prop-2-enoyl}oxy)-3-hydroxybutanedioate

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The title compound, C23H30O9, has an approximate T-shape with the tert-butyl ester groups lying either side of the benzene simply southern cat shirt ring.The acetyl group is almost perpendicular to the benzene ring to which it is connected [C—C—O—C torsion angle = −106.7 (3)°].

The conformation about the C=C double bond [1.331 (4) Å] is E.Linear supramolecular chains along the a axis mediated by hydroxy–carbonyl O—H.

O hydrogen bonds feature in the crystal packing.The new belial model same H atom is also involved in an intramolecular O—H.O interaction.