Acta Crystallogr Sect E Struct Rep Online. 2011 Aug 1;67(Pt 8):o1885. Epub 2011 Jul 2.

(1E,4Z,6E)-5-Hy-droxy-1,7-bis-(2-meth-oxy-phen-yl)-1,4,6-hepta-trien-3-one.

Zhao Y, Groundwater PW, Hibbs DE, Nguyen PK, Narlawar R.

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Faculty of Pharmacy, The University of Sydney, NSW 2006, Australia.

Abstract

In the title compound, C(21)H(20)O(4), the central hepta-trienone unit is approximately planar, with a maximum atomic deviation of 0.1121 (11) Å; the two benzene rings are twisted with respect to the hepta-trienone mean plane by 2.73 (5) and 29.31 (4)°. The mol-ecule exists in the enol form and the hy-droxy group forms an intra-molecular hydrogen bond with the neighboring carbonyl group. Weak inter-molecular C-H⋯O hydrogen bonding is present in the crystal structure.

PMID:: 22090937; [PubMed]
PMCID:: PMC3212280

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