Abstract
β-O-Glycosides of N-acetylglucosamine with substituted 7-hydroxychromones and 7-hydroxycoumarins as the aglycones are synthesized. The phenyl hydroxyls are O-glycosylated in a solid-liquid system with crown-ether catalysts. The structures of the chromone and coumarin N-acetylglucosaminides and their per-O-acetates are proved by PMR spectroscopy.
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Zemlyakov, A.E., Kur'yanov, V.O., Chupakhina, T.A. et al. Synthesis of N-Acetylglucosaminides with Coumarin and Chromone Aglycones. Chemistry of Natural Compounds 38, 149–153 (2002). https://doi.org/10.1023/A:1019635914082
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DOI: https://doi.org/10.1023/A:1019635914082