By Jonathan L Sessler
Anion acceptance performs a severe function in various organic techniques, and a number of receptors and providers are available through the wildlife. Chemists operating within the zone of supramolecular chemistry have created a number anion receptors, drawing concept from nature in addition to their very own leading edge tactics. This ebook strains the origins of anion reputation chemistry as a special sub-field in supramolecular chemistry, whereas illustrating the elemental methods at present getting used to impression receptor layout. the combo of a organic evaluate and precis of present man made methods offers a assurance that's either accomplished and understandable. First, the authors element the major layout motifs which were used to generate man made receptors and that are prone to give you the foundation for additional advancements. in addition they spotlight in brief a number of the positive factors which are found in naturally-occurring anion attractiveness and delivery platforms and summarise the functions of anion popularity chemistry. delivering an in depth evaluate for practitioners within the box and a concise advent to the subject for beginners, Anion Receptor Chemistry displays the present kingdom of this intriguing examine sector. Fully-referenced and illustrated in color, it's a welcome boost to the literature.
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Am. Chem. , 1997, 119, 10956. 1 Polyammoniums Since the days of Park and Simmons1 (cf. Chapter 1), polyammonium receptors have emerged as true workhorses in the area of anion recognition chemistry. Polyammonium receptors can be easily generated via the protonation of polyamines and, as a rule, most polyamines are multiply protonated at pH 7. The resulting protonated receptors generally display strong anion-binding tendencies in both organic and aqueous solvents as a result of both strong electrostatic and hydrogen-bonding interactions.