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Nat Prod Res
; 35(9): 1452-1458, 2021 May.
Artigo
em Inglês
| MEDLINE
| ID: mdl-31450985
RESUMO
Three new phenolic glycosides, intermedia A-C (1-3), one new acyclic alcohol glycoside, intermedia D (4), together with 3 known glycosides (5-7), were isolated from the dried roots of Paeonia intermedia C. A. Meyer. Their structures were established by means of extensive spectroscopic analysis (HRESIMS, NMR). Compound 1 have a rare benzo[1,5]dioxepine skeleton. The bioassay results showed that compound 3 exhibited inhibitory activity against proinflammatory cytokines nitric oxide (NO) secretion in LPS-activated RAW264.7 cells with an IC50 value of 85.76 ± 1.36 µM.