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Solvent effect on a model SNAr reaction in ionic liquid/water mixtures at different compositions

Abstract

The reaction of phenyl 2,4,6-trinitrophenyl ether and piperidine was kinetically evaluated in mixtures BMIMBF4/water as reaction media. This study shows the dramatical effect of the mixture compositions over the reacting pair and its reaction rate, highlitening two zones strongly demarcated. The first one, rich in water is characterized by strong variations in the rate coefficient values, suggesting the presence of a preferential solvent effects in the aqueous phase. The second zone shows high rate coefficient values independent of the composition of the solvent mixture, pointing out to a predominant “anion” solvent effects. These results were validated using fluorescence spectroscopy and Kamlet-Taft parameter.

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Publication details

The article was received on 06 Dec 2017, accepted on 09 Apr 2018 and first published on 10 Apr 2018


Article type: Paper
DOI: 10.1039/C7NJ04820C
Citation: New J. Chem., 2018, Accepted Manuscript
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    Solvent effect on a model SNAr reaction in ionic liquid/water mixtures at different compositions

    B. Sanchez, C. F. Calderón, C. Garrido, R. Contreras and P. R. Campodonico, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ04820C

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