SwastiChemEx: Probe Ionic Liquid Acidity

Thursday, 5 June 2014

Probe Ionic Liquid Acidity

ionic liquids (ILs) can facilitate a number of reactions, including proton transfer, which is very common in industry. The reactivity of proton transfer is highly dependent on the acidity of the ILs, a property yet to be well characterized.


Tom Welton and co-workers, Imperial College London, UK, have reported a convenient method to measure IL acidity between –1 to –9 of the Hammett scale with NMR technique using mesityl oxide as a probe. They relied on the 13C chemical shift difference (∆δ) between the α- and β-carbons of mesityl oxide to extrapolate deduce IL acidity from IL-acid systems

No comments:

Post a Comment