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  • Title: The use of neocarrabiose oligosaccharides with different length and sulphate substitution as model compounds for 1H-NMR spectroscopy.
    Author: Knutsen SH, Grasdalen H.
    Journal: Carbohydr Res; 1992 May 22; 229(2):233-44. PubMed ID: 1394288.
    Abstract:
    The high-field 1H-NMR spectra of various carrageenan oligosaccharides at room temperature are given. The assignments were faciliated by the use of proton double-quantum coherence (DQCOSY) and 1H-13C chemical shift correlation 2D NMR spectroscopy, and by comparing high-field 1H-NMR spectra of various 4-sulphated oligosaccharides of the neocarrabiose type. The effects of anomeric configuration on the 1H resonances on the same or neighbouring units are discussed. The 13C-NMR shift data are given for the tetrasaccharide of kappa-carrageenan.
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