(E)-3-(4-Ethoxyphenyl)-1-(2-hydroxyphenyl)prop-2-en-1-one

(E)-3-(4-Ethoxyphenyl)-1-(2-hydroxyphenyl)prop-2-en-1-one

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Hardware In the title compound, C17H16O3, the carbonyl group is in an s-cis configuration with respect to the olefinic double bond.The dihedral angle between the two benzene rings is 2.85 (3)°.The prop-2-en-1-one bridge makes dihedral angles of 4.

77 (4) and 4.15 (4)°, respectively, with the 2-hydroxyphenyl and 4-ethoxyphenyl rings.The ethoxy group is coplanar with the attached phenyl ring [Car—O—C—C = 179.72 (5)°].

An intramolecular O—H.O hydrogen bond generates an S(6) ring motif.In the crystal structure, molecules are stacked in an antiparallel Motorcycle Kit manner to form columns along the b axis.The columnar structure is stabilized by C—H.

π interactions involving the 2-hydroxyphenyl ring.