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Acta Crystallographica Section E

Structure Reports Online

Volume 66, Part 10 (October 2010)

organic compounds

hb5630 scheme

Acta Cryst. (2010). E66, o2559-o2560    [ doi:10.1107/S1600536810035762 ]


H.-K. Fun, T. Suwunwong, S. Chantrapromma and C. Karalai

Abstract: In the title heteroaryl chalcone derivative, C16H16O5, the dihedral angle between the furan and benzene rings is 14.45 (6)°. The three methoxy groups are almost coplanar with their attached benzene ring [C-C-O-C torsion angles = 2.07 (17), -5.04 (17) and 2.85 (16)°]. An intramolecular C-H...O hydrogen bond occurs. In the crystal, adjacent molecules are linked into X-shaped chains along the c axis by weak C-H...O(enone) interactions. These chains are stacked along the b axis. C...O [3.3308 (13)-3.4123 (14) Å] short contacts are also observed.

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