2,5‐Bis(3,4‐dimethoxybenzylidene)cyclopentanone | Zendy

Butcher Ray J. | Zendy; Jasinski Jerry P. | Zendy; Narayana B. | Zendy; Sarojini B. K. | Zendy; Bindya S | Zendy; Yathirajan H. S. | Zendy

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2,5‐Bis(3,4‐dimethoxybenzylidene)cyclopentanone

Author(s) -

Butcher Ray J.,

Jasinski Jerry P.,

Narayana B.,

Sarojini B. K.,

Bindya S,

Yathirajan H. S.

Publication year - 2007

Publication title -

acta crystallographica section e

Language(s) - English

Resource type - Journals

ISSN - 1600-5368

DOI - 10.1107/s1600536807029339

Subject(s) - dihedral angle , benzene , ring (chemistry) , chemistry , crystallography , cyclopentanone , derivative (finance) , crystal (programming language) , hydrogen bond , double bond , molecule , polymer chemistry , organic chemistry , financial economics , economics , programming language , catalysis , biochemistry , computer science

The title compound, C 23 H 24 O 5 , a bis(3,4‐dimethoxyphenyl)cyclopentanone derivative related to curcumin, shows noncrystallographic C 2 v symmetry with two noncrystallographic mirror planes intersecting the cyclopentanone ring, resulting in a noncrystallographic twofold axis along the C=O double bond. The molecule is basically planar, the angles between the planes of the cyclopentanone ring and those of the two benzene rings being 2.5 (3) and 1.2 (7)°. The dihedral angles of both methoxy groups with the benzene rings are nearly identical [179.05 (11), 177.88 (11), −172.51 (12) and 176.11 (13)°]. The two 3,4‐dimethoxyphenyl groups also lie within the plane of the molecule and the angle between them is 1.4 (1)°. The crystal packing is stabilized by intermolecular C—H...O hydrogen bonds.

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