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Abstract
A new acylated flavonol glycoside, kaempferol 3-O-[(6″″-feruloyl)-β-D-glucopyranosyl-(1 → 3)]-[α-L-rhamnopyranosyl-(1 → 6)]-β-D-glucopyranoside and two known cyclolignan glycosides, (+)-lyoniresinol-3α-O-β-D-glucopyranoside and ( − )-lyoniresinol-3α-O-β-D-glucopyranoside were isolated from n-BuOH extracts of the aerial parts of Derris triofoliata, their structures were determined from spectroscopic and chemical evidences.
Acknowledgements
We are grateful to the financial supports from the National High Technology Research and Development Program of China (863 Program) (2001AA620403), Guangdong Natural Science Foundation and Research Program of Croucher Foundation. Also grateful to Center of Analysis and Measurement, Sun Yat-Sen University, for the ESI-MS spectra; Center of Analysis and Measurement, Institute of Chemistry, Chinese Academy of Sciences for HRSIMS; Laboratory of NMR Analysis and Measurement, South China Sea Institute of Oceanology, for the NMR spectra.
