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The title compound, C21H20BrNO2, was obtained from a condensation reaction of 4-bromobenzaldehyde, 2-naphthol and morpholine. The molecular conformation is stabilized by an intramolecular O—H...N hydrogen bond, closing a six-membered ring. The dihedral angle between the naphthalene ring system and the benzene ring is 76.72 (8)°. In addition to the intramolecular hydrogen bond, the O—H groups of centrosymmetrically related molecules form short intermolecular H...O contacts of 2.59 Å. These molecules are also linked by pairs of C—H...O interactions, generating an R22(14) motif.