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Preparation of silica gel-bound macrocycles and their cation-binding properties
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1988
Year
Materials ScienceInorganic ChemistryPre-determined Cation SelectivityEngineeringSilica Gel-bound MacrocyclesLog KTheoretical Inorganic ChemistryChemistryInorganic MaterialSol-gel SynthesisUnbound MacrocyclesInorganic Compound
Values of log K for the association of several metal cations with 15-crown-5, 18-crown-6, and N,N′-dibenzyldiaza-18-crown-6, each covalently bonded to silica gel, were found to be nearly the same as those for the association of the same cations with the unbound macrocycles; this observation indicates the possibility of building pre-determined cation selectivity into these permanent macrocycle-bound silica gel systems.