Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)

organic compounds

Acta Cryst. (2013). E69, o495-o496    [ doi:10.1107/S1600536813005710 ]


T. Tsumuki, R. Takeuchi, H. Kawano, N. Yonezawa and A. Okamoto

Abstract: In the title compound, C36H28O4, the 1-naphthoyl groups at the 1- and 8-positions of the central 2,7-dieth­oxy­naphthalene ring system are aligned almost anti­parallel and make a dihedral angle of 76.59 (4)°. The dihedral angles between the central 2,7-dieth­oxy­naphthalene ring system and the terminal naphthalene ring systems are 86.48 (4) and 83.97 (4)°. In the crystal, C-H...[pi] inter­actions between the central naphthalene ring systems and the naphthoyl groups are observed along the a axis, with the mol­ecules forming a columnar structure. The columns are linked into chains parallel to the b axis by C-H...O inter­actions.

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