2013 |
Ormazabal-Toledo, R; Santos, J G; Rios, P; Castro, E A; Campodonico, P R; Contreras, R Hydrogen Bond Contribution to Preferential Solvation in Snar Reactions Artículo de revista Journal of Physical Chemistry B, 117 (19), pp. 5908-5915, 2013, ISSN: 1520-6106. Resumen | Enlaces | BibTeX | Etiquetas: amines aromatic behavior, binary chemical ether, kinetics, mixtures, molecules, nucleophilic-substitution, piperidine, probes, solvent @article{RN163, title = {Hydrogen Bond Contribution to Preferential Solvation in Snar Reactions}, author = { R. Ormazabal-Toledo and J.G. Santos and P. Rios and E.A. Castro and P.R. Campodonico and R. Contreras}, url = {/brokenurl#<Go to ISI>://WOS:000319649800012}, doi = {10.1021/jp4005295}, issn = {1520-6106}, year = {2013}, date = {2013-01-01}, journal = {Journal of Physical Chemistry B}, volume = {117}, number = {19}, pages = {5908-5915}, abstract = {Preferential solvation in aromatic nucleophilic substitution reactions is discussed using a kinetic study complemented with quantum chemical calculations. The model system is the reaction of a series of secondary alicyclic amines toward phenyl 2,4,6-trinitrophenyl ether in aqueous ethanol mixtures of different compositions. From solvent effect studies, it is found that only piperidine is sensitive to solvation effects, a result that may be traced to the polarity of the solvent composition in the ethanol/water mixture, which points to a specific electrophilic solvation in the aqueous phase.}, keywords = {amines aromatic behavior, binary chemical ether, kinetics, mixtures, molecules, nucleophilic-substitution, piperidine, probes, solvent}, pubstate = {published}, tppubtype = {article} } Preferential solvation in aromatic nucleophilic substitution reactions is discussed using a kinetic study complemented with quantum chemical calculations. The model system is the reaction of a series of secondary alicyclic amines toward phenyl 2,4,6-trinitrophenyl ether in aqueous ethanol mixtures of different compositions. From solvent effect studies, it is found that only piperidine is sensitive to solvation effects, a result that may be traced to the polarity of the solvent composition in the ethanol/water mixture, which points to a specific electrophilic solvation in the aqueous phase. |
2013 |
Hydrogen Bond Contribution to Preferential Solvation in Snar Reactions Artículo de revista Journal of Physical Chemistry B, 117 (19), pp. 5908-5915, 2013, ISSN: 1520-6106. |