Abstract
Four new flavone derivatives (1–4), together with six known flavones (5-10), were isolated from the stems of Dracaena angustifolia. The complete structures of new compounds were elucidated by analyses of spectroscopic data and quantum chemistry calculations. Compounds 2, 9 and 10 displayed weak anti-inflammatory activity with IC50 values of 45, 33 and 61 μM, respectively.
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