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New meroterpenoids and C-methylated flavonoid isolated from Baeckea frutescens / 中国天然药物
Chinese Journal of Natural Medicines (English Ed.) ; (6): 379-384, 2020.
Artigo em Inglês | WPRIM | ID: wpr-827232
ABSTRACT
Phytochemical investigation of the aerial parts of Baeckea frutescens resulted in the isolation of three new mono- or sesquiterpene-based meroterpenoids, frutescones S-U (1-3), and one pair of new (±)-5,7-dihydroxy-8-isobutyryl-6-methyldihydroflavonol (4). Their structures and absolute configurations were established by HR-ESI-MS, 1D and 2D NMR, and quantum chemical ECD calculation. Compound 1 exhibited inhibitory effect on NO production in LPS-activated RAW 264.7 macrophages with an IC value being 0.81 μmol·L.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Inglês Revista: Chinese Journal of Natural Medicines (English Ed.) Ano de publicação: 2020 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Inglês Revista: Chinese Journal of Natural Medicines (English Ed.) Ano de publicação: 2020 Tipo de documento: Artigo