(Z)-3-(9-Anthr-yl)-1-(4-methoxy-phen-yl)prop-2-en-1-one.

The title chalcone derivative, C(24)H(18)O(2), which consists of the substituted 4-methoxy-phenyl and anthracene rings bridged by the prop-2-en-1-one unit, exists in a cis configuration. The mol-ecule is twisted, the inter-planar angle between the benzene and anthracene rings being 69.50 (10)°. The meth-oxy group is coplanar with the attached benzene ring [C-O-C-C angle = 2.9 (3)°]. In the crystal structure, mol-ecules are linked into chains along the a axis by a weak C-H⋯O(enone) inter-action. The chains are stacked along the c axis. A C-H⋯π inter-action involving the benzene ring is observed.