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  • 1
    Electronic Resource
    Electronic Resource
    Two-dimensional NMR spectra of hydrolysable tannins which form equilibrium mixtures (1992)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 30 (1992), S. S46 
    Details
    ISSN: 0749-1581
    Keywords: Tannin ; Anomer ; Hydrolysable tannin ; Oligomeric hydrolysable tannin ; Heteronuclear long-range ; COSY ; Oenothein B ; Camelliatannin H ; Coriariin H ; Euphorbin C ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The structures of hydrolysable tannins, each existing as an equilibrium mixture due to tautomerization at the sugar core(s) or at the dehydrohexahydroxydiphenoyl group (five- and six-membered hemiacetal forms) in the molecule, were elucidated by NMR, employing 2D NMR techniques (COSY, NOESY, 1H—13C long-range COSY, etc.), on derivatives which avoid the spectral complication due to equilibration.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260301311
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