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Chemistry of Natural Compounds

, Volume 44, Issue 6, pp 701–703 | Cite as

A new flavonol derivative from Fagopyrum dibotrys

  • Jian ZhangEmail author
  • Zhi-Qi Yin
  • Peng Cao
  • You-Bin Li
  • Jin-Ao Duan
Article

A new flavonol derivative 3, 8-dihydroxy-10-methoxy-5-H-isochromeno[4, 3-b]chromen-7-one (1) together with four known compounds, glutinone (2), luteolin (3), acacetin 7-O-α-L-rhamnopyranosyl- (1→6)-β-D-glucopyranoside (4), and rutin (5) were isolated from the dried roots of Fagopyrum dibotrys. Their structures were determined by UV, IR, MS, 1H, and 13C NMR spectroscopic analysis, including 2D NMR.

Key words

Fagopyrum dibotrys flavonol derivative 3,8-dihydroxy-10-methoxy-5-H-isochromeno[4,3-b]chromen-7-one 

Notes

Acknowledgment

This research was supported by the Foundation of Jiangsu Provincial Public Welfare Research (No. BM2004525), which is gratefully acknowledged.

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Copyright information

© Springer Science+Business Media, Inc. 2008

Authors and Affiliations

  • Jian Zhang
    • 1
    Email author
  • Zhi-Qi Yin
    • 2
  • Peng Cao
    • 1
  • You-Bin Li
    • 1
  • Jin-Ao Duan
    • 3
  1. 1.Jiangsu Provincial Academy of Traditional Chinese MedicineNanjingP. R. China
  2. 2.Department of PhytochemistryChina Pharmaceutical UniversityNanjingP. R. China
  3. 3.Nanjing University of Traditional Chinese MedicineNanjingP. R. China

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