Three new phenylpropanoid glycosides, named 1-O-[3-O-acetyl-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranosyl]-3-hydroxycinnamaldehyde (1), 1-O-[2,3-O-diacetyl-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranosyl]-3-methoxycinnamaldehyde (2), and 1-O-[3-O-acetyl-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranosyl]-4-allyl-2-methoxyphenol (3), were isolated from the 95% EtOH extract of the dry fronds of Conyza japonica. The structures of the new compounds were elucidated by spectral methods.
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The above research was made possible by a grant from the Key Projects in Scientific Research of Qujing Normal University (2011ZD003).
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Published in Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2012, pp. 699–701.
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Hu, J., Shi, X., Ding, W. et al. Phenylpropanoid glycosides from Conyza japonica . Chem Nat Compd 48, 782–784 (2012). https://doi.org/10.1007/s10600-012-0381-3
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DOI: https://doi.org/10.1007/s10600-012-0381-3