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A new coumarin, hibiscusin, and a new amide, hibiscusamide, together with eleven known compounds including vanillic acid, P-hydroxybenzoic acid, syringic acid, P-hydroxybenzaldehyde, scopoletin, N- trans-feruloyltyramine, N-cis-feruloyltyramine, a mixture of beta-sitosterol and stigmasterol, a mixture of beta-sitostenone and stigmasta-4,22-dien-3-one were isolated from the stem wood of Hibiscus tiliaceus. The structures of these new compounds were determined through spectral analyses. Among the isolates, three compounds exhibited cytotoxicity (IC (50) values < 4 microg/mL) against P-388 and/or HT-29 cell lines in vitro.


Jih-Jung Chen, Shi-Yu Huang, Chang-Yih Duh, Ih-Sheng Chen, Tai-Chi Wang, Hui-Yu Fang. A new cytotoxic amide from the stem wood of Hibiscus tiliaceus. Planta medica. 2006 Aug;72(10):935-8

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PMID: 16732539

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