Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 1 (January 2013)


organic compounds



zq2188 scheme

Acta Cryst. (2013). E69, o63    [ doi:10.1107/S1600536812049252 ]

(3E,5E)-3,5-Bis(2-chlorobenzylidene)-1-propylpiperidin-4-one

Q. Yang, L. Chen, B. Weng, L. Fan and X. Wu

Abstract: The title compound, C22H21Cl2NO, is a derivative of mono-carbonyl analogues of curcumin (MACs). The molecule has an E conformation for each of the olefinic bonds. The 1-propylpiperidin-4-one ring has a distorted chair conformation with the ring N and the C and O atoms of the carbonyl group deviating from the mean plane of the remaining four ring C atoms by 0.682 (2), -0.134 (3) and -0.340 (4) Å, respectively. The dihedral angle between the benzene rings is 26.5 (1)°. In the crystal, molecules are connected by weak C-H...O and C-H...[pi] interactions.


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