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Natural Product Research
Formerly Natural Product Letters
Volume 35, 2021 - Issue 20
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Research Articles

Chemical constituents from Schisandra sphenanthera and their cytotoxic activity

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Pages 3360-3369 | Received 06 Sep 2019, Accepted 21 Nov 2019, Published online: 12 Dec 2019
 

Abstract

Extensive phytochemical investigation of Schisandra sphenanthera leaves resulted in the isolation of six highly oxygenated nortriterpenoids (1–6) and five lignans (7–11) including a new pre-schisanartane-type, schisandrathera A (1), a new dibenzocyclooctadiene glycoside, schisandrathera B (7) and two new lignans, schisandrathera C (8) and schisandrathera D (9). Their chemical structures including absolute configurations were determined extensively by means of HR-ESI-MS, NMR, and ECD spectra. In addition, all isolated compounds were tested for cytotoxic activity against PC3 (prostate cancer) and MCF7 (breast cancer) cell lines. Among these compounds, schirubrisin B (3) showed strong cytotoxic effect on both PC3 and MCF7 cell lines with IC50 values of 3.21 ± 0.68, 13.30 ± 0.68 μM, respectively, whereas ten remaining compounds were found to be less effective in the investigated models.

Graphical Abstract

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This research was supported by Vietnam Ministry of Education and Training under grant number HH01, 2019.

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