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Carbon 13 nmr spectroscopy of methyl methyl alpha d manno pyranoside uronate methyl esters



Carbon 13 nmr spectroscopy of methyl methyl alpha d manno pyranoside uronate methyl esters



Bioorganicheskaya Khimiya 10(1): 88-92



The 1H and 13C NMR spectra of methyl (methyl O-methyl-.alpha.-D-mannopyranoside)uronates were studied. The .alpha.- and .beta.-effects caused by hydroxyl group methylation and the preferable rotamers for CH3-groups are discussed. The data obtained may be useful for interpretation of 13C NMR spectra of natural compounds containing D-mannuronic acid.

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