Fangsheng Wang, Huizhen Wen, Liu Liu, Jun Li, Fei He, Haji Akber Aisa, Xuelei Xin
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引用次数: 0
Abstract
Six undescribed sesquiterpene lactones (1-6) and fifteen known compounds (7-21) were isolated from Seriphidium transiliense. The chemical structures were determined by extensive NMR spectroscopic data, HRESIMS, ECD and X-ray diffraction. Among the known compounds, twelve known compounds were isolated for the first time from this plant, including taurine (9), 11-epitaurin (10), α-santonin (11), artesin (13), 11-epiartesin (14), 1α-hydroxy-3β-acetoxyeudesm-4-en-6β, 7α, 11βH-12, 6-olide (15), 1α-hydroxy-3β-acetoxyeudesm-4-en-6β, 7α, 11αH-12, 6-olide (16), artegallin (17), 8α-hydroxytaurin (18), 8α-acetoxytaurine (19), methyl-4α-hydroxy-11(13)-eudesmen-12-oatesaniculamoid D (20), and saniculamoid D (21). The absolute configuration of 2 was determined by X-ray. The X-ray crystal structures of 15 and 16 were reported for the first time. At a concentration of 20 μM, all compounds (1-21) showed significant inhibition of NO production in LPS- stimulated BV2 cells. Among them, compounds 3 and 4 inhibited NO release with IC50 values of 19.30 and 22.05 μM, respectively. Based on the present results, these compounds may be potential anti-inflammatory agents.
期刊介绍:
Fitoterapia is a Journal dedicated to medicinal plants and to bioactive natural products of plant origin. It publishes original contributions in seven major areas:
1. Characterization of active ingredients of medicinal plants
2. Development of standardization method for bioactive plant extracts and natural products
3. Identification of bioactivity in plant extracts
4. Identification of targets and mechanism of activity of plant extracts
5. Production and genomic characterization of medicinal plants biomass
6. Chemistry and biochemistry of bioactive natural products of plant origin
7. Critical reviews of the historical, clinical and legal status of medicinal plants, and accounts on topical issues.