| Summary: | The asymmetric unit of the title compound, C21H18O3, contains two crystallographically independent molecules. The two molecules are linked into cyclic centrosymmetric dimers R22(8) by O—H...O hydrogen bonds. The dihedral angles between the naphthalene ring system and the benzene ring are 87.0 (8) and 84.4 (2)° in the two molecules. The crystal packing is stabilized by O—H...O, C—H...π and π–π interactions [centroid–centroid distance = 3.664 (11) Å]. In one molecule, the mesityl ring is disordered over two positions [occupancy ratio 0.690 (3):0.690 (3)].
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