Research Article: 3-[(8-But­oxy­quinolin-2-yl)meth­yl]-1-(pyridin-2-ylmeth­yl)-1H-imidazol-3-ium hexa­fluoridophosphate

Date Published: May 01, 2012

Publisher: International Union of Crystallography

Author(s): Ping Zhang, Jing Jing, Da-Bin Qin.


In the cation of the title compound, C23H25N4O+·PF6−, the imidazolium ring make dihedral angles of 87.20 (6) and 79.89 (5)° with the pyridine ring and the quinoline system, respectively. In the crystal, C—H⋯F and C—H⋯N hydrogen bonds are observed.

Partial Text

For the first stable N-heterocyclic carbene, see: Arduengo et al. (1991 ▶). For the synthesis of 8-but­oxy-quinoline-2-carbaldehyde, see: Maffeo et al. (2003 ▶), of 8-but­oxy-2-chloro­methyl-quinoline, see: Fowelin et al. (2007 ▶) and of 2-((1H-imidazol-1-yl)meth­yl)pyridine, see: Chiu et al. (2005 ▶). For ionic liquids from imidazolium salts, see: Heller et al. (2010 ▶). For standard bond lengths, see: Allen et al. (1987 ▶).