13C-13C Spin-Spin Coupling Constants in Structural Studies: XXXVII. Rotational Conformations of Hydroxy Groups in Pyranose, Furanose, and Septanose Rings

被引：0
作者：
V. A. Danilova
N. V. Istomina
L. B. Krivdin
机构：
[1] Angarsk State Technical Academy,
来源：
Russian Journal of Organic Chemistry | 2004年 / 40卷
关键词：
Carbohydrate; Organic Chemistry; Perturbation Theory; Dihedral Angle; Monosaccharide;
D O I：
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摘要：
Rotational surfaces for 13C-13C coupling constants with respect to two dihedral angles at C1 and C2 in model structures of aldopyranoses, aldofuranoses, and aldoseptanoses of the D-series were calculated in terms of the self-consistent finite perturbation theory. Internal rotation of the hydroxy groups exerts an appreciable effect (within 2.5 Hz) on the 13C-13C coupling constants of all cyclic forms of monosaccharides, which provides the possibility for performing conformational analysis of carbohydrates and their metabolites containing pyranose, furanose, and septanose fragments.
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页码：1194 / 1199
页数：5
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