Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 2 (February 2013)


organic compounds



hb7017 scheme

Acta Cryst. (2013). E69, o304    [ doi:10.1107/S1600536813001116 ]

3-{5-Ethoxycarbonyl-1-[3-(2-oxopyrrolidin-1-yl)propyl]-1H-benzimidazol-2-yl}benzoic acid

Y. K. Yoon, M. A. Ali, S. C. Tan, M. M. Rosli and I. A. Razak

Abstract: In the title compound, C24H25N3O5, the ethoxy group is disordered over two orientations in a 0.853 (14):0.147 (14) ratio. The benzimadazole ring system (r.m.s. deviation = 0.016 Å) makes a dihedral angle of 35.47 (7)° with the attached benzene ring. The pyrrolidine ring adopts an envelope conformation with a methylene C atom as the flap. In the crystal, inversion dimers linked by pairs of O-H...N hydrogen bonds generate R22(16) loops. C-H...O interactions link the dimers into a three-dimensional network.


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