Abstract
A method is proposed for the synthesis of acetylated glycosides of hydroxynaphthoquinones. The condensation of D-glucose and D-galactose (tert-butyl orthoacetate)s with lawsone and lapachol has given the tetra-O-acetyl-β-D-glucopyranosides of lawsone and of lapachol and the tetra-O-acetyl-β-galactopyranoside of lawsone. The structures of the glycosides obtained have been confirmed by IR and1H and13C NMR spectroscopy. The structure of the lawsone acetylgalactopyranoside described previously has been corrected.
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Pacific Ocean Institute of Bioorganic Chemistry, Far Eastern Scientific Center, Academy of Sciences of the USSR, Vladivostok. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 324–327, May–June, 1983.
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Polonik, S.G., Tolkach, A.M. & Uvarova, N.I. Synthesis of acetylated glycosides of hydroxynaphthoquinones. Chem Nat Compd 19, 307–310 (1983). https://doi.org/10.1007/BF00579766
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DOI: https://doi.org/10.1007/BF00579766