期刊
CHEMISTRY & BIODIVERSITY
卷 19, 期 7, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.202200403
关键词
Penicillium purpurogenum; meroterpenoids; purpurogenolide F; purpurogenolide G; anti-inflammatory activity
资金
- NNSFC (National Natural Science Foundation of China) [81803397, 82073978, 81522050]
- BNSF (Beijing Natural Science Foundation) [JQ18026]
- Innovation Team of Medicinal Material Resource Protection and High Value Utilization in Qinghai Province [2021XJPI02]
Two new nor-seco isodhilarane meroterpenoids were isolated from the cultures of an endophytic fungus, exhibiting moderate inhibitory activity against the nitric oxide production in cells.
Two new nor-seco isodhilarane meroterpenoids (NSIMs), purpurogenolides F (1) and G (2), along with three known meroterpenoid analogs (3-5), were isolated from the cultures of an endophytic fungus, Penicillium purpurogenum. Structures and absolute configurations of the new NSIMs were determined based on extensive spectroscopic data analyses, including HR-ESI-MS, UV, IR, NMR chemical shift calculations together with DP4+ probability analysis, as well as ECD calculations. All the isolated meroterpenoids were assessed for their anti-inflammatory activities, and compound 4 exhibited moderate inhibitory activity against the nitric oxide (NO) production in lipopolysaccharide (LPS) induced RAW 264.7 cells with an IC50 value of 20.85 +/- 2.31 mu M.
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