Experimental

R factor = 0.035; wR factor = 0.091; data-to-parameter ratio = 13.2. In the title compound, C36H22F2O4, the aromatic rings of the benzoyl and phenoxy groups make dihedral angles of 72.07 (5), 73.24 (5), 62.49 (5) and 77.96 (6) with the naphtha-lene ring system. In the crystal, C—H O hydrogen bonds and C—H interactions are observed. Related literature For information on electrophilic aromatic aroylation of the naphthalene core, see: Okamoto & Yonezawa (2009); Okamoto et al. (2011, 2012). For the structures of closely related compounds, see: Watanabe et al. (2010); Sakamoto et al. (2012)