Flavan-4-ol Glycosides from the Rhizomes of Abacopteris penangiana.

@article{Zhao2006Flavan4olGF,
  title={Flavan-4-ol Glycosides from the Rhizomes of Abacopteris penangiana.},
  author={Zhongxiang Zhao and J. Ruan and Jing Jin and Jian-hua Zou and Dao-nian Zhou and Wei Fang and F. Zeng},
  journal={Journal of natural products},
  year={2006},
  volume={69 2},
  pages={
          265-8
        }
}
Four new flavan-4-ol glycosides, abacopterins A-D (1-4), were isolated from a methanol extract of the rhizomes of Abacopteris penangiana, together with two known compounds, triphyllin A (5) and 6,8-dimethyl-7-hydroxy-4'-methoxyanthocyanidin-5-O-beta-D-glucopyranoside (6). Their structures were elucidated by extensive spectroscopic analysis and chemical methods. The cytotoxic activity of 1-5 against HepG2 human hepatoma cells was investigated. 
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