An Insight into Anion Extraction by Amphiphiles: Hydrophobic Microenvironments as a Requirement for the Extractant Selectivity
Karolína Salvadori,
Alessia Onali,
Gregory Mathez
et al.
Abstract:Coupling of electron-deficient urea units with aliphatic
chains
gives rise to amphiphilic compounds that bind to phosphate and benzoate
anions in the hydrogen bonding competitive solvent (DMSO) with K
Ass = 6 580 M–1 and K
Ass = 4 100 M–1, respectively.
The anchoring of these receptor moieties to the dendritic support
does not result in a loss of anion binding and enables new applications.
Due to the formation of a microenvironment in the dendrimer, the high
selectivity of the prepared compound toward benzoate… Show more
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