1H NMR spectra of branched-chain cyclomaltohexaoses (α-cyclodextrins)

被引：9

作者：

Ishizuka, Y ^{[1
]}

Nemoto, T ^{[1
]}

Kanazawa, K ^{[1
]}

Nakanishi, H ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Biol Informat Res Ctr, Tsukuba, Ibaraki 3058566, Japan

来源：

CARBOHYDRATE RESEARCH | 2004年 / 339卷 / 04期

关键词：

branched cyclodextrin; alpha-cyclodextrin; H-1; NMR; chemical shift;

D O I：

10.1016/j.carres.2003.12.021

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The H-1 NMR spectra of seven branched alpha-cyclodextrins (alpha-CDs) were observed and analyzed in detail. They were compared with spectra of alpha-CD and amylose. Although these branched alpha-CDs consist only Of alpha-D-glucose with the same alpha-(l --> 4) O-glucosyl binding, aside from one exception, differences in chemical shifts of corresponding signals were significantly large. Especially, differences in the chemical shift in anomeric protons were considerably large. Subtle differences in glucosyl binding directly influences chemical shifts of these protons because anomeric protons are located adjacent to the glucosyl binding sites. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：777 / 785

页数：9

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