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13C NMR spectroscopic analysis on the chiral discrimination of N-acetylphenylalanine, catechin and propranolol induced by cyclic-(1-->2)-beta-D-glucans (cyclosophoraoses).

作者信息

Lee Sanghoo, Jung Seunho

机构信息

Department of Microbial Engineering and Bio/Molecular Informatics Center, Konkuk University, Hwayang-dong 1, Gwangjin-gu, Seoul 143-701, South Korea.

出版信息

Carbohydr Res. 2002 Oct 11;337(19):1785-9. doi: 10.1016/s0008-6215(02)00286-0.

DOI:10.1016/s0008-6215(02)00286-0
PMID:12423959
Abstract

Cyclosophoraoses (cyclic-(1-->2)-beta-D-glucans) produced by Rhizobium meliloti were used as a novel chiral NMR solvating agent. 13C NMR spectroscopic analysis as an enantiodiscriminating tool was carried out where NMR signal splittings were observed on the interactions of cyclosophoraoses with the enantiomers of N-acetylphenylalanine, catechin and propranolol. The 13C chemical shifts of cyclosophoraoses induced by the enantiomeric interactions predominantly occurred at the C-1 and C-2 carbons associated with the -glycosidic linkage.

摘要

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