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  • Title: Ebenfurans IV-VIII from Onobrychis ebenoides: evidence that C-prenylation is the key determinant of the cytotoxicity of 3-formyl-2-arylbenzofurans.
    Author: Halabalaki M, Alexi X, Aligiannis N, Alexis MN, Skaltsounis AL.
    Journal: J Nat Prod; 2008 Nov; 71(11):1934-7. PubMed ID: 18986200.
    Abstract:
    Phytochemical investigation of a methanol extract of Onobrychis ebenoides yielded five new 3-formyl-2-arylbenzofurans, namely, ebenfurans IV-VIII (1-5), together with the known compounds ebenfurans I, II (6), and III (7). Only 1 and 7 exhibited growth inhibitory activity against MCF-7 and Ishikawa cells, suggesting that the prenyl moiety at position C-5 is the key determinant of the cytotoxic activity of this group of compounds.
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