Prenylated phenylpropanoid compounds from the stem bark of Illicium burmanicum

ABSTRACTTen new prenylated phenylpropanoid compounds, burmanicumols A–G (1–6) and illifrognones D–G (7–10), and seven known prenylated phenylpropanoid compounds, were isolated from the stem bark of Illicium burmanicum. The structures of the new compounds were determined on the basis of 1D and 2D NMR, HRESIMS, and CD experiments. Compounds 3, 8, 10, and 14 were moderately potent inhibitors of the NF-κB pathway, with IC50 values ranging from 10.31 to 35.16 μg/mL tripterygium glycosides and pavlin were used as the positive controls.

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