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J Nat Prod. 2006 Feb;69(2):265-8.

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

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  • 1College of Pharmacy, Tongji Medical Center, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China.

Abstract

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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