1109225-27-5Relevant articles and documents
Synthesis and crystal structures of 1-alkoxy-3-alkylimidazolium salts including ionic liquids, 1-alkylimidazole 3-oxides and 1-alkylimidazole perhydrates
Laus, Gerhard,Schwaerzler, Alexander,Bentivoglio, Gino,Hummel, Michael,Kahlenberg, Volker,Wurst, Klaus,Kristeva, Elka,Schuetz, Johannes,Kopacka, Holger,Kreutz, Christoph,Bonn, Guenther,Andriyko, Yuriy,Nauer, Gerhard,Schottenberger, Herwig
experimental part, p. 447 - 464 (2009/01/31)
Functionalized quaternary imidazolium salts were prepared with the intention to obtain new ionic liquids (ILs). Thus, more than forty 3-alkoxy-1-alkylimidazolium salts, 3-alkoxy-1-alkyl-2-methylimidazolium salts, 1-methylimidazole 3-oxide and 1,2-dimethylimidazole 3-oxide as well as their salts, 1,3-dihydroxyimidazolium salts and 1,3-dihydroxy-2-methylimidazolium salts were synthesized and characterized by spectroscopy and, to a limited extent, by viscosity and conductivity measurements. Results of fourteen single crystal X-ray structure determinations are reported, among them also the parent compounds 1-hydroxyimidazole 3-oxide and 1-hydroxy-2-methylimidazole 3-oxide. Selective debenzylation of 1-benzyloxy-3-methylimidazolium salts and mono-demethoxylation of 1,3-dimethoxyimidazolium salts were achieved by hydrogenolysis. In addition, a crystalline semiperhydrate of 1,2-dimethylimidazole was characterized. Furthermore, an addition compound of 1-methylimidazole 3-oxide with tris(2-thienyl)borane and a silver carbene complex derived from 1-benzyloxy-3-methylimidazolium hexafluorophosphate was crystallized and characterized.
