Ethyl 2-(4-nitro-phen-yl)-1-[3-(2-oxopyrrolidin-1-yl)prop-yl]-1H-benzimidazole-5-carboxyl-ate. 2012

Yeong Keng Yoon, and Mohamed Ashraf Ali, and Tan Soo Choon, and Safra Izuani Jama Asik, and Ibrahim Abdul Razak

In the title compound, C(23)H(24)N(4)O(5), the essentially planar benzimidazole ring system [maximum deviation = 0.008 (2) Å] forms a dihedral angle of 39.22 (7)° with the attached nitro-benzene ring. The pyrrolidin-2-one ring adopts an envelope conformation with a C atom as the flap. In the crystal, mol-ecules are connected by C-H⋯O inter-actions, forming sheets propagating in (011). The crystal packing also features weak π-π stacking inter-actions [centroid-centroid = 3.6746 (12) Å].

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