(E)-{[But-2-ene-1,4-diylbis(-oxy)]bis-(4,1-phenyl-ene)}bis-(phenyl-methanone).

The title mol­ecule, C30H24O4, lies about an inversion center located at the mid-point of the central C=C bond. The diphenyl­methanone unit adopts an all-trans conformation. The dihedral angle between the adjacent rings is 53.57 (4)°.