Abstract
A new prenylated flavone, named artoindonesianin P ( 1), was isolated from the tree bark of Artocarpus lanceifolius, together with three known related compounds, artobiloxanthone ( 2), cycloartobiloxanthone ( 3) and artonol B ( 4). The structure of artoindonesianin P 1 was determined on the basis of spectral evidence (MS, 1H and 13C NMR) and by comparison with known related compounds. Compounds 1–4 exhibited significant cytotoxicity against murine P388 leukemia cells.
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