Hydrolytic Catalysis with Complexation by Modified Cyclodextrins Having Diastereomeric Structure
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概要
- 論文の詳細を見る
At the presence of three regiospecifically modified cyclodextrins, i. e., β-CD-D-histidine (I_D), β-CD-L-histidine (I_L) and β-CD-histamine (III), the ester cleavage at neutral pH was compared concerning in enantiomeric selectivity as well as rate enhancement. Micha-elis-Menten-type kinetics were observed for I_D and I_L in the phenol release of acetylanyl (and phenylalanyl) p-nitrophenyl ester enantiomers. Second order rate constants were obtained for III. Stereochemical comparisons of the spatial geometry in the complexes were discussed and also the schematic scheme of the host-guest fit was discussed.
- 東京工芸大学の論文
- 1981-01-15
著者
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TODA Fujio
Department of Bioengineerig, Faculty of Bioscience and Biotechnology, Tokyo Institute of Technology
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Toda Fujio
Department Of Synthetic Chemistry Faculty Of Engineering University Of Tokyo
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Hattori Kenjiro
Department Of Applied Chemistry Faculty Of Engineering Tokyo Institute Of Polytechnics
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Hattori Kenjiro
Department Of Industrial Chemisty Faculty Of Engineering Tokyo Institute Of Polytechnics
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ONOZUKA Shegeharu
Department of Synthetic Chemistry, Faculty of Engineering, University of Tokyo
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Onozuka Shegeharu
Department Of Synthetic Chemistry Faculty Of Engineering University Of Tokyo
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