ent-Pimarane diterpenoids from Siegesbeckia glabrescens with anti-inflammatory activity.
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DOI: 10.1016/j.bioorg.2020.103854
Abstract: Nine new ent-pimarane-type diterpenoids, siegesbeckia A-I (1-9), together with four known analogues ent-3α,15,16,19-tetrahydroxypimar-8(14)-ene (10), 15,16-dihydroxypimar-8(14)-en-3-one (11), 14β,16-epoxy-7-pimarene-3α,15β-diol (12) and darutigenol (13), were obtained from the aerial parts of Siegesbeckia glabrescens Makino. The structures of these… read more here.
Keywords: anti inflammatory; pimarane diterpenoids; siegesbeckia glabrescens; ent pimarane ... See more keywords
Sarcosenones A–C, highly oxygenated pimarane diterpenoids from an endolichenic fungus Sarcosomataceae sp.
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DOI: 10.1039/d0ra02485f
Abstract: Three new highly oxygenated pimarane diterpenoids, sarcosenones A–C (1–3), and the known 9α-hydroxy-1,8(14),15-isopimaratrien-3,7,11-trione (4), were isolated from cultures of an endolichenic fungus Sarcosomataceae sp. Their structures were elucidated based on NMR spectroscopic data and electronic… read more here.
Keywords: oxygenated pimarane; pimarane diterpenoids; endolichenic fungus; highly oxygenated ... See more keywords