Potassium cation induced switch in anion selectivity exhibited by heteroditopic ruthenium(II) and rhenium(I) bipyridyl bis(benzo-15-crown-5) ion pair receptors

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Paul D. Beer and Simon W. Dent


Abstract

Cl and H2PO4 anion selectivity properties of new heteroditopic RuII and ReI bipyridyl bis(benzo-15-crown-5) receptors are remarkably dependent upon the presence of co-bound intramolecular sandwich crown ether complexed K+.


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