Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 1 (January 2012)

organic compounds

Acta Cryst. (2012). E68, o38    [ doi:10.1107/S1600536811051749 ]


M. Asad, C.-W. Oo, H. Osman, H.-K. Fun and S. Arshad

Abstract: In the title compound, C26H25FO5, the terminal cyclo­hexane rings of the xanthene ring system adopt half-boat conformations. The 4H-chromene ring make a dihedral angle of 87.94 (5)° with the xanthene ring system and its carbonyl O atom lies above the xanthene O atom. In the crystal, mol­ecules are linked into ribbons propagating along the a-axis direction by C-H...O hydrogen bonds. Aromatic [pi]-[pi] stacking inter­actions [centroid-centroid distance = 3.7367 (12) Å] also occur.

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