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In the title Schiff base mol­ecule, C29H28N2O3, the three terminal benzene rings are twisted by 73.84 (15), 81.25 (16) and 12.1 (2)° with respect to the central benzene ring. An intra­molecular O—H...N hydrogen bond occurs. In the crystal, mol­ecules are linked via weak C—H...π inter­actions into a three-dimensional supra­molecular architecture.

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The asymmetric unit of the title Schiff base molecule, C25H20N2O, contains two independent mol­ecules. In each mol­ecule, the C=N bond is in an E conformation. The most significant difference between the two mol­ecules is seen for the dihedral angles between the meth­oxy-substituted benzene ring and the two phenyl rings, which are 85.5 (1) and 82.3 (1)° in the first mol­ecule, and 49.0 (1) and 40.4 (1)° in the second. This conformational difference is reflected in the central C=N—C[pdbond]C torsion angle, which is 28.7 (2)° in the first mol­ecule and −29.8 (3)° in the other. In each mol­ecule, there is an intra­molecular O—H...N hydrogen bond.
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