Abstract
In the title compound, C24H29BrO6, the dihedral angle between the cyclohexenone mean planes is 57.63 (2)° while the dihedral angles between the benzene ring and the cyclohexenone mean planes are 58.42 (2) and 69.08 (3)°. The two cyclohexenone rings both show an envelope conformation, with the C atom bearing two methyl groups as the flap atom in each ring. Two intramolecular O—H⋯O hydrogen bonds occur. In the crystal, molecules are linked via pairs of O—H⋯O hydrogen bonds, forming inversion dimers.
Highlights
C24H29BrO6, the dihedral angle between the cyclohexenone mean planes is 57.63 (2) while the dihedral angles between the benzene ring and the cyclohexenone mean planes are 58.42 (2) and 69.08 (3)
Molecules are linked via pairs of
The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry
Summary
2,20 -[(3-Bromo-4-hydroxy-5-methoxyphenyl)methylidene]bis(3-hydroxy-5,5dimethylcyclohex-2-en-1-one) R factor = 0.035; wR factor = 0.095; data-to-parameter ratio = 15.1. In the title compound, C24H29BrO6, the dihedral angle between the cyclohexenone mean planes is 57.63 (2) while the dihedral angles between the benzene ring and the cyclohexenone mean planes are 58.42 (2) and 69.08 (3) . The two cyclohexenone rings both show an envelope conformation, with the C atom bearing two methyl groups as the flap atom in each ring. Two intramolecular O—H O hydrogen bonds occur. In the crystal, molecules are linked via pairs of O—H O hydrogen bonds, forming inversion dimers.
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