Abstract
In the title compound, C21H18O4, the relative conformation of the C=C and C=O double bonds in the central enone group is s-cisoid; there is a trans configuration about the C=C bond. The dihedral angle formed by the naphthalene ring system and the benzene ring is 16.80 (2)°. The meth-oxy groups at the ortho and para positions of the benzene ring are tilted to the ring by 169.8 (1) and 174.5 (1)°, respectively. The hy-droxy group in the benzene ring participates in an intra-molecular O-H⋯O hydrogen bond. In the crystal, C-H⋯O inter-actions link mol-ecules into linear chains along the a-axis direction.
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