4-Bromo-2-(5-bromothiophen-2-yl)-1-[(5-bromothiophen-2-yl)methyl]-5,6-dimethyl-1H-benzimidazole

Abstract

The title compound, C18H13Br3N2S2, was obtainedviathe reaction ofN-bromosuccinamide with 5,6-dimethyl-2-(thiophen-2-yl)-1-[(thiophen-2-yl)methyl]-1H-benzimidazole. The compound exhibits rotational disorder of the 5-bromothiophen-2-yl substituent with a refined major:minor occupancy ratio of 0.876 (7):0.124 (7). The 5-bromothiophen-2-yl mean plane is canted to the benzimidazole plane by 20.0 (4) and 21 (4)° in the major and minor components, respectively. In the crystal, weak C—H...N interactions link the molecules into infiniteC(7) chains along the 21axes.