Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 2 (February 2013)

organic compounds

Acta Cryst. (2013). E69, o175    [ doi:10.1107/S1600536812050088 ]


M. Kaur, R. J. Butcher, M. Akkurt, H. S. Yathirajan and B. Nagaraj

Abstract: The asymmetric unit of the title compound, C21H27NO, contains two mol­ecules (A and B). In mol­ecule A, the central ring of the anthrone unit adopts a shallow boat conformation and the dihedral angle between the benzene rings is 18.96 (7)°. In mol­ecule B, the central ring is close to being planar (r.m.s. deviation = 0.078 Å) and the dihedral angle between the aromatic rings is 7.82 (7)°. In the crystal, mol­ecules are linked by O-H...N hydrogen bonds, forming zigzag C(7) chains of alternating A and B mol­ecules running parallel to [100]. The structure also features weak C-H...O and C-H...[pi] inter­actions.

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