In the title compound, C40H30Cl2N2O4, the two benzene rings of the biphenyl unit are twisted with respect to each other, making a dihedral angle of 73.07 (4)°. The benzene rings of the benzamide groups form dihedral angles of 77.09 (5) and 55.48 (6)° with the central biphenyl moiety. In the crystal, mol-ecules are linked through N-H⋯O hydrogen bonds to form a fused R 2 (2)(38) ring motif which forms a supermolecular ribbon network extending along the [100] plane. In the two 4-chloro-phenyl rings, the five C atoms and their attached H atoms are disordered over two sets of sites, with site-occupancy factors of 0.657 (15):0.343 (15) and 0.509 (13):0.491 (13).

DOI: 10.1107/S160053681301009X

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@inproceedings{Rajadurai201333Biphenyl22diylbismethylenebiso, title={3,3′-\{[(Biphenyl-2,2′-di­yl)bis­(methyl­ene)]bis­(­oxy)\}bis­[N-(4-chloro­phen­yl)benzamide]}, author={Raj Rajadurai and Ramar Padmanabhan and Soma Sundaram Meenakshi Sundaram and Sarkkarai Ananthan}, booktitle={Acta crystallographica. Section E, Structure reports online}, year={2013} }