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2',3,4,4'-Tetra-meth-oxy-chalcone.

ABSTRACT: IN THE TITLE COMPOUND [SYSTEMATIC NAME: 1-(2,4-dimethoxyphenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one], C(19)H(20)O(5), the dihedral angle between the benzene rings is 26.88?(5)°. One of the meth-oxy groups is twisted slightly away from the plane [C-O-C-C torsion angle = -12.8?(3)°] while the others are almost co-planer [C-O-C-C torsion angles = -3.2?(3), 2.6?(3) and -3.6?(3)°]. The crystal packing is stabilized by inter-molecular C-H?O inter-actions. A weak intra-molecular C-H?O inter-action occurs.

SUBMITTER: van Tonder JH

PROVIDER: S-EPMC3007056 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

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2',3,4,4'-Tetra-meth-oxy-chalcone.

van Tonder Johannes H JH Muller Theunis J TJ Bezuidenhoudt Barend C B BC

Acta crystallographica. Section E, Structure reports online 20100626 Pt 7

IN THE TITLE COMPOUND [SYSTEMATIC NAME: 1-(2,4-dimethoxyphenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one], C(19)H(20)O(5), the dihedral angle between the benzene rings is 26.88 (5)°. One of the meth-oxy groups is twisted slightly away from the plane [C-O-C-C torsion angle = -12.8 (3)°] while the others are almost co-planer [C-O-C-C torsion angles = -3.2 (3), 2.6 (3) and -3.6 (3)°]. The crystal packing is stabilized by inter-molecular C-H⋯O inter-actions. A weak intra-molecular C-H⋯O inter-action o ...[more]

PMID: 21588008

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