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

Christopher J. Borman, Radu Custelcean, Ben P. Hay, Nathan L. Bill, Jonathan L. Sessler, Bruce A. Moyer

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)7611-7613
Number of pages3
JournalChemical Communications
Volume47
Issue number27
DOIs
StatePublished - 2011

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