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Studies towards a tailor-made catalyst for the Diels-Alder reaction using the technique of molecular imprinting

✍ Scribed by Xiao-Chuan Liu; Klaus Mosbach

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
327 KB
Volume
18
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

A tailor‐made catalytically active polymer catalyzing the bimolecular Diels‐Alder reaction is described. Kinetic studies carried out in acetonitrile at 82°C show a 270‐fold rate acceleration (k~cat~/k~uncat~) for the Diels‐Alder reaction between tetrachlorothiophene dioxide and maleic anhydride. The imprinted polymer induces Michaelis‐Menten kinetics, with an apparent K~m~ of 42.5 mM and an apparent k~cat~ of 3.82 × 10^−2^ min^−1^, respectively. Substrate selectivity, accessible binding site analysis, dissociation constant determination, and inhibition study were also performed.

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