Abstract
This is the first study to profile natural sesquiterpene coumarins (SCs) in Ferula bungeana, a medicinal plant of the genus Ferula in China. Eight undescribed sesquiterpene coumarins (1–8), along with six known ones (9–14) were obtained from the whole plant of F. bungeana. These unreported SCs (1–8) enriched the structural diversity of natural SCs, especially these with the hydroxy or carbonyl group at C-7′ and a hydroperoxy group at C-7′ or C-8′. Compounds (9–14) were reported for the first time from this plant. The in vitro anti-neuroinflammatory activity assay showed that compounds 2 and 9 showed stronger inhibitory effect on nitric oxide (NO) production in lipopolysaccharide (LPS)-induced BV-2 microglia, compared with positive control minocycline, and compounds 5 and 10 showed moderate inhibitory effects.
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