Supramolecular organization of calix[4]pyrrole with a methyl-trialkylammonium anion exchanger leads to remarkable reversal of selectivity for sulfate extraction vs. nitrate

Supramolecular organization of calix[4]pyrrole with a methyl-trialkylammonium anion exchanger leads to remarkable reversal of selectivity for sulfate extraction vs. nitrate

meso-Octamethylcalix[4]pyrrole (C4P) enhances sulfate selectivity in solvent extraction by Aliquat® 336N, an effect ascribed to the supramolecular preorganization and thermodynamic stability imparted by insertion of the methyl group of the Aliquat cation into the cup of C4P in its cone conformation....

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2011-01, Vol.47 (27), p.7611-7613
Hauptverfasser: Borman, Christopher J, Custelcean, Radu, Hay, Ben P, Bill, Nathan L, Sessler, Jonathan L, Moyer, Bruce A
Format: Artikel
Sprache:eng
Schlagworte:
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
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Zusammenfassung:meso-Octamethylcalix[4]pyrrole (C4P) enhances sulfate selectivity in solvent extraction by Aliquat® 336N, an effect ascribed to the supramolecular preorganization and thermodynamic stability imparted by insertion of the methyl group of the Aliquat cation into the cup of C4P in its cone conformation.
ISSN:1359-7345
1364-548X
DOI:10.1039/c1cc12060c