Modified Cyclodextrins: Scaffolds And Templates For Supramolecular Chemistry
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A01=Chris J Easton
A01=Stephen F Lincoln
Author_Chris J Easton
Author_Stephen F Lincoln
Catalysts
Category=PNK
Category=PNNP
Category=PNR
Cyclodextrins
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Host-Guest Complexes
Metallocyclodextrins
Molecular Hosts
Molecular Reactors
Monolayers
Nanotechnology
Rotaxanes
Supramolecular Chemistry
Product details
- ISBN 9781860941443
- Publication Date: 30 Apr 1999
- Publisher: Imperial College Press
- Publication City/Country: GB
- Product Form: Hardback
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Through modification, the natural cyclodextrins are effective templates for the generation of a wide range of molecular hosts. This makes it possible to tailor a cyclodextrin host to a particular guest, to meet specific requirements in the host-guest complex, and opens the way to diverse new areas of supramolecular chemistry. Metallocyclodextrins, rotaxanes and catenanes, as well as surface monolayers of modified cyclodextrins, are readily obtained. The native cyclodextrins serve as scaffolds on which functional groups and other substituents can be assembled, with controlled geometry. This results in substantially improved molecular recognition and procedures for chemical separation, including enantiomer discrimination, through guest binding. Access to the gamut of functional groups greatly expands the utility of cyclodextrins in chemical synthesis and provides catalysts which mimic the entire range of enzymic activity. Modifications to the cyclodextrins also lead to a wide range of photochemistry of cyclodextrin complexes, through which the enhancement of guest reactivity occurs; in addition, light harvesting molecular devices and photochemical frequency switches may be constructed. In solution, modified cyclodextrins have been used to construct molecular reactors, as well as molecular, temperature and pH sensors. At surfaces, they form semipermeable membranes and sensor electrodes. Such exciting fields of chemistry, made possible only through modifications to the natural cyclodextrins, are the subject of this book.
