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Ion-selective steering of the reaction rate and of the catalyst activity by crown-ether complexation

✍ Scribed by J. P. Dix; A. Wittenbrink-Dix; F. Vögtle

Publisher
Springer
Year
1980
Tongue
English
Weight
367 KB
Volume
67
Category
Article
ISSN
0028-1042

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The reaction yield of the esterification of (R,S) ibuprofen with n-propanol, catalyzed by physically adsorbed Candida antarctica lipase B on anionic resin, is improved by the addition of benzo-[ 18]-crown-6 or meso-tetraphenylporphyrin but reduced by the presence of metal-porphyrins. The interaction