Research Article: Dimethyl 2,2′-[2,2′-bi(1H-1,3-benzimidazole)-1,1′-di­yl]diacetate

Date Published: August 01, 2012

Publisher: International Union of Crystallography

Author(s): Huai-Ling Guo, Jia-Cheng Liu, Chao-Hu Xiao, Ting Pang, Ping Cao.

http://doi.org/10.1107/S1600536812032266

Abstract

The whole mol­ecule of the title compound, C20H18N4O4, is generated by an inversion center. The benzimidazole ring mean plane make a dihedral angle of 89.4 (8)° with the plane passing through the acetate group (COO). In the crystal, mol­ecules are linked via weak C—H⋯O hydrogen bonds and π–π inter­actions [centroid–centroid distance = 3.743 (3) Å] involving inversion-related benzimidazole groups.

Partial Text

For related structures, see: Al-Mohammed et al. (2012 ▶); Fu & Xu (2009 ▶); Xu & Wang (2008 ▶). For the synthesis of 2,2′-bibenzimidazole, see: Tang et al. (2007 ▶).

 

Source:

http://doi.org/10.1107/S1600536812032266

 

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