Abstract
On the basis of chemical transformations,1H and13C NMR spectra, the structure of dauroside D isolated fromHaplophyllum dauricum has been established as 6-C-β-D-glucopyranosyl-5,7-dihydroxycoumarin. Some interesting features of the1H NMR spectra of its acetate have been reported and an assignment of the signals in its1H and13C NMR spectra has been made. Dauroside D is the first natural coumarin C-glycoside.
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Additional information
Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 441–445, July–August, 1983.
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Vdovin, A.D., Batsurén, D., Batirov, É.K. et al. 1H and13C NMR spectra and the structure of a new coumarin, C-glycoside dauroside D, fromHaplophyllum dauricum . Chem Nat Compd 19, 413–416 (1983). https://doi.org/10.1007/BF00575694
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DOI: https://doi.org/10.1007/BF00575694