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Acta Cryst. (2013). E69, o871
[ doi:10.1107/S1600536813012233 ]


S. Shujah, S. Ali, Zia-ur-Rehman, M. N. Tahir and A. Meetsma

Abstract: In the title compound, C15H15NO2, the dihedral angle between the aromatic rings is 5.86 (6)°, and an intramolecular N-H...O hydrogen bond generates an S(6) motif, which helps to stabilize the enamine-keto tautomer. An intramolecular O-H...O hydrogen bond also occurs. In the crystal, inversion dimers linked by pairs of O-H...O hydrogen bonds generate R22(10) loops. A C-H...O interaction links the dimers into [010] chains and aromatic [pi]-[pi] stacking [centroid-centroid separation = 3.6131 (9) Å] also occurs.

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