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Dr. Nuno Costa, Dr. Sara Matos, Prof. Marco D. R. Gomes da Silva and Prof. M. Manuela A. Pereira Cyclodextrin-Based Ionic Liquids as Enantioselective Stationary Phases in Gas Chromatography ChemPlusChem 78

Version of Record online: 2 OCT 2013 | DOI: 10.1002/cplu.201300229

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In phase: Permethylated mono-6-hydroxy-α- and -β-cyclodextrins react with pyridine or 1-vinylimidazole in the presence of triflic anhydride in a solvent-free procedure to yield new room-temperature ionic liquids (ILs). These ILs have been used as stationary phases in gas chromatography; enantiomeric separations are achieved (see figure for whiskey lactone) with permethylated mono-6-deoxy-6-(pyridin-1-ium)-α-cyclodextrin trifluoromethanesulfonate.

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