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Records of Natural Products
Yazarlar: Ying Lu, Yifang Chen
Konular:-
DOI:10.25135/rnp.218.20.10.1856
Anahtar Kelimeler:Eudesmane sesquiterpene,Salvia plebeia;,NO production,Inhibitory effects
Özet: A new eudesmane sesquiterpenoid (1), named sapleudesone, together with four known analogs (2-5) were isolated from the aerial parts of Salvia plebeia. The structure of compound 1 was established by NMR and HRESIMS data, and the absolute configuration of 1 was determined by comparing the experimental ECD spectrum with the calculated ECD spectra. The known compounds were identified to be salplebeone A (2), linderolide I (3), chlorantene D (4), and chlomultin B (5), respectively, by comparing the NMR data and specific rotations with reported data. All five compounds were tested for the inhibitory effects against NO production in LPS-activated RAW 264.7 macrophages. As a result, compound 2 exhibited weak inhibitory effects with an IC50 value of 42.3 ± 1.4 mM.