Journal
JOURNAL OF NATURAL PRODUCTS
Volume 77, Issue 11, Pages 2513-2521Publisher
AMER CHEMICAL SOC
DOI: 10.1021/np500605v
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Funding
- Austrian Science Fund (FWF) [S 10705, S 10704, S 10711]
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In the search for peroxisome proliferator-activated receptor gamma (PPAR gamma) active constituents from the roots and rhizomes of Notopterygium incisum, 11 new polyacetylene derivatives (1-11) were isolated. Their structures were elucidated by NMR and HRESIMS as new polyyne hybrid molecules of falcarindiol with sesquiterpenoid or phenylpropanoid moieties, named notoethers A-H (1-8) and notoincisols A-C (9-11), respectively. Notoincisol B (10) and notoincisol C (11) represent two new carbon skeletons. When tested for PPAR? activation in a luciferase reporter assay with HEK-293 cells, notoethers A-C (1-3), notoincisol A (9), and notoincisol B (10) showed promising agonistic activity (EC50 values of 1.7 to 2.3 mu M). In addition, notoincisol A (9) exhibited inhibitory activity on NO production of stimulated RAW 264.7 macrophages.
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