In the title compound, C27H29BrN4O, benzimidazole ring system and the amide moiety are planar [r.m.s. deviations = 0.016 (2) and 0.017 (1) Å, respectively]. The mol-ecule adopts a conformation in which the amide linkage is almost perpendicular to the central ring [dihedral angle = 85.79 (8)°], while the benzimidazole ring system makes a dihedral angle of 70.26 (11)° with the central ring. In the crystal, the mol-ecules form dimers through N-H⋯O hydrogen bonds and C-H⋯O interactions. These dimers are further linked into zigzag ribbons along [201] by weak C-H⋯Br inter-actions. As a result of the bulky nature of the mol-ecule, as evidenced by the large dihedral angles between rings, there is little evidence for any π-π inter-actions.

DOI: 10.1107/S1600536814014433

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@inproceedings{Prasad20142Bromo5tertbutylNmethylN2methylamin, title={2-Bromo-5-tert-butyl-N-methyl-N-[2-(methyl­amino)­phen­yl]-3-(1-methyl-1H-benzimidazol-2-yl)benzamide}, author={Poonam Rajesh Prasad and Shikha Das and Harkesh B. Singh and Ray J Butcher}, booktitle={Acta crystallographica. Section E, Structure reports online}, year={2014} }