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Publisher
Springer, Dordrecht
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Authors: Paul D Beer
Publish Date: 1998
Volume: , Issue: , Pages: 97-102
Abstract
The syntheses of positively charged or neutral electrondeficient abiotic receptor molecules designed to noncovalently bind anionic guest species is an area of ever increasing research activity1 This is because anions are known to play ubiquitous roles in biological and chemical processes2 for example nature utilises anions for numerous biochemically important pathways and polyanions for the storage and transmission of genetic information In addition many anions act as nucleophiles bases redox agents and phasetransfer catalysts In recent years the importance of being able to detect and/or extract particular environmental anionic pollutants3 such as nitrate phosphate and radioactive pertechnetate has also been realised Surprisingly in view of this the fabrication of specific ligands that have the capability of sensing anions via optical4 and/or electrochemical5 methodologies has not been fully exploited We have initiated a research programme aimed at the design and construction of innovative spectral and electrochemical sensory reagents for anions based on novel transition metal organometallic and coordination receptor systems6 This article reviews our current progress in this area
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