2018 |
Sanchez, B; Calderon, C; Garrido, C; Contreras, R; Campodonico, P R Solvent Effect on a Model Snar Reaction in Ionic Liquid/Water Mixtures at Different Compositions Artículo de revista New Journal of Chemistry, 42 (12), pp. 9645-9650, 2018, ISSN: 1144-0546. Resumen | Enlaces | BibTeX | Etiquetas: aromatic binary-mixtures, catalysis, kinetics liquids, mixed-solvents, molecules, nitro-group, nucleophilic-substitution, preferential solvation, water @article{RN421, title = {Solvent Effect on a Model Snar Reaction in Ionic Liquid/Water Mixtures at Different Compositions}, author = { B. Sanchez and C. Calderon and C. Garrido and R. Contreras and P.R. Campodonico}, url = {/brokenurl#<Go to ISI>://WOS:000435298100034}, doi = {10.1039/c7nj04820c}, issn = {1144-0546}, year = {2018}, date = {2018-01-01}, journal = {New Journal of Chemistry}, volume = {42}, number = {12}, pages = {9645-9650}, abstract = {The reaction of phenyl 2,4,6-trinitrophenyl ether and piperidine was kinetically evaluated in BMIMBF4/water mixtures as the reaction media. This study shows the dramatic effect of the mixture composition on the reacting pair and its reaction rate, highlighting two strongly demarcated zones. The first one, rich in water, is characterized by strong variations in the rate coefficient values, suggesting the presence of preferential solvent effects in the aqueous phase. The second zone shows high rate coefficient values independent of the composition of the solvent mixture, suggesting predominant anion solvent effects. These results were validated using fluorescence spectroscopy and the Kamlet-Taft parameter.}, keywords = {aromatic binary-mixtures, catalysis, kinetics liquids, mixed-solvents, molecules, nitro-group, nucleophilic-substitution, preferential solvation, water}, pubstate = {published}, tppubtype = {article} } The reaction of phenyl 2,4,6-trinitrophenyl ether and piperidine was kinetically evaluated in BMIMBF4/water mixtures as the reaction media. This study shows the dramatic effect of the mixture composition on the reacting pair and its reaction rate, highlighting two strongly demarcated zones. The first one, rich in water, is characterized by strong variations in the rate coefficient values, suggesting the presence of preferential solvent effects in the aqueous phase. The second zone shows high rate coefficient values independent of the composition of the solvent mixture, suggesting predominant anion solvent effects. These results were validated using fluorescence spectroscopy and the Kamlet-Taft parameter. |
2018 |
Solvent Effect on a Model Snar Reaction in Ionic Liquid/Water Mixtures at Different Compositions Artículo de revista New Journal of Chemistry, 42 (12), pp. 9645-9650, 2018, ISSN: 1144-0546. |