Abstract
AbstractMetal complexes play an important role in anion receptor chemistry. In the majority of examples metal centres are used as optical and/or electrochemical reporter groups in anion-sensing applications. Metal centres can also act as Lewis acidic anion-binding sites in their own right, and/or as structural components allowing the self-assembly of anion-binding domains. This review describes the development of metal-based receptors with regard to their anion-sensing properties, and is therefore divided into sections on electrochemical and optical anion sensing. Within these sections coverage has been given to the diverse range of metals and anion-binding groups that have been studied. Emphasis has been placed on recently described novel supramolecular, nanoscale and surface confined anion receptor systems that give added functionality. The last section describes metal-based anion receptors without reporter groups. Anion sensingAnion recognitionAnion coordinationAnion receptorsOrganometallic receptors
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