Acta Cryst. (2012). E68, o3348 [ doi:10.1107/S1600536812045953 ]
Abstract: In the molecule of the title compound, C34H36O4, the two 4-isobutylbenzoyl groups at the 1- and 8-positions of the naphthalene ring system are aligned almost antiparallel, and the benzene rings make a dihedral angle of 21.59 (7)°. The dihedral angles between the benzene rings and the naphthalene ring system are 69.26 (6) and 64.29 (5)°. There are no classical hydrogen bonds in the structure, but inversion-related molecules engage in - stacking, with an interplanar spacing between related naphthalene groups of 3.4120 (16) Å.
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