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5-(4-Hydro­xy-3-methoxy­phenyl)-1-phenyl­pent-4-ene-1,3-dione

✍ Scribed by Arrieta, Antonio F. ;Mostad, Arvid

Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
542 KB
Volume
60
Category
Article
ISSN
1600-5368

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1,5-Di­phenyl­pent-4-ene-1,3-dione
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The title compound, C 16 H 14 O 3 , crystallizes in the triclinic system, with two independent molecules in the asymmetric unit; these are related by a non-crystallographic twofold rotation axis. The two molecules differ slightly in the relative orientation of the two aromatic rings. They are linked

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The title molecule, C 18 H 16 O 3 , exists in the enolized form and displays a strong intramolecular hydrogen bond. Except for van der Waals interactions, the intermolecular contacts are dominated by weak hydrogen bonding of the type C-HÁ Á ÁO and aromatic C-HÁ Á Á.