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Lignans from the Roots and Rhizomes of Dysosma versipellis and Their Cytotoxic Activities

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One new dibenzyltyrolactone lignan dysoslignan A (1), three new arylnaphthalide lignans dysoslignan B–C (2–4), along with fourteen known metabolites (5–18), were isolated from the roots and rhizomes of Dysosma versipellis.… Click to show full abstract

One new dibenzyltyrolactone lignan dysoslignan A (1), three new arylnaphthalide lignans dysoslignan B–C (2–4), along with fourteen known metabolites (5–18), were isolated from the roots and rhizomes of Dysosma versipellis. Their structures and stereochemistry were determined from analysis of NMR spectroscopic and circular dichroism (CD) data. Compound 2 represents the first report of naturally occurring arylnaphthalide lignan triglycoside. The cytotoxic activities of all isolated compounds were evaluated against A-549 and SMMC-7721 cell lines. Compounds 7–10 and 14–16 were more toxic than cisplatin in two tumor cell lines. This investigation clarifies the potential effective substance basis of D. versipellis in tumor treatment.

Keywords: cytotoxic activities; rhizomes dysosma; lignans roots; roots rhizomes; versipellis cytotoxic; dysosma versipellis

Journal Title: Molecules
Year Published: 2023

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