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Benzophenone glycosides and epicatechin derivatives from Malania oleifera.
Xing-De Wu
1 ,
Jin-Tang Cheng ,
Juan He ,
Xing-Jie Zhang ,
Liao-Bin Dong ,
Xun Gong ,
Liu-Dong Song ,
Yong-Tang Zheng ,
Li-Yan Peng ,
Qin-Shi Zhao
Sep 2012
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Abstract
A new benzophenone C-glycoside, malaferin A (1), and two new epicatechin derivatives, malaferin B (2) and malaferin C (3), together with five known compounds were isolated from Malania oleifera. In addition, (-)-epicatechin-3-O-benzoate (6) was isolated for the first time from a natural resource. Structures of 1-3 were determined on the basis of their spectroscopic methods, including 1D and 2D NMR techniques. All of the compounds were evaluated for anti-HIV activities.