(E)-3-(Anthracen-9-yl)-1-(furan-2-yl)prop-2-en-1-oneThis paper is dedicated to His Majesty King Bhumibol Adulyadej of Thailand (King Rama IX) for his sustainable development of the country.

(E)-3-(Anthracen-9-yl)-1-(furan-2-yl)prop-2-en-1-oneThis paper is dedicated to His Majesty King Bhumibol Adulyadej of Thailand (King Rama IX) for his sustainable development of the country.

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In the molecule pet calming peanut butter of the title heteroaryl chalcone derivative, C21H14O2, the almost planar prop-2-en-1-one unit [r.m.s.deviation = 0.0087 (1) Å] forms dihedral angles of 5.

81 (7) and 49.85 (6)°, respectively, with the furan ring and anthracene ring system.In the crystal structure, the molecules are linked into a read more two-dimensional network parallel to (100) by C—H.O hydrogen bonds and π.π interactions involving the furan rings [centroid–centroid distance = 3.

7205 (6) Å].