A novel xanthone from Garcinia oligantha
Luo, Kathy Qian
Date of Issue2013
School of Chemical and Biomedical Engineering
One novel xanthone, oliganthone A (1), was isolated from the stems of the plant Garcinia oligantha. It features the O-bearing C(3)-atom and absence of C(4) compared with the structures of related known xanthones, which have never been reported before. The structure of this compound was elucidated by spectroscopic analysis. Compound 1 showed strong HeLa cell growth-inhibiting effects with IC50 values below 10 μm.
Helvetica chimica acta