Toward a pK a Scale of N‑base Amines in Ionic Liquids

An electrochemical technique was used to investigate pK a values of some substituted secondary alicyclic (SA) amines, pyridines (py), anilines (AN), and triethylamine (Et3N) in different ionic liquids. The method involves cyclic voltammetry at a platinized Pt electrode. The experimental data were co...

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Bibliographic Details
Published in:The journal of physical chemistry. B 2014-04, Vol.118 (16), p.4412-4418
Main Authors: Millán, Daniela, Rojas, Mabel, Santos, José G, Morales, Javiera, Isaacs, Mauricio, Diaz, Carlos, Pavez, Paulina
Format: Article
Language:English
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Summary:An electrochemical technique was used to investigate pK a values of some substituted secondary alicyclic (SA) amines, pyridines (py), anilines (AN), and triethylamine (Et3N) in different ionic liquids. The method involves cyclic voltammetry at a platinized Pt electrode. The experimental data were correlated with pK a values reported previously in aqueous solution, and Hammett parameters were correlated with pK a values in ionic liquids to determine ρ values in these media.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp501082t