Abstract
The neutral anion receptor 1 was synthesized by an easy method with high yield. The binding properties of anions with 1 were examined by UV-vis and 1H NMR spectroscopy. Receptor 1 can form a 1 : 2 complex with F−, and 1 : 1 complexes with AcO− and H2PO4− anions, respectively, by multiple hydrogen-bonding interactions. There is an observable colour change for the complex formed by 1 and F−.
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