首页|Further terpenoids from the Chloranthaceae plant Chloranthus multistachys and their anti-neuroinflammatory activities
Further terpenoids from the Chloranthaceae plant Chloranthus multistachys and their anti-neuroinflammatory activities
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NSTL
Elsevier
? 2021Three labdane-type [multisins A–C (1–3)], two guaiane-type [multisins D (4) and E (5)], and one eudesmane-type [multisin F (6)] previously undescribed terpenoids, together with 14 mono- (7–20) and seven dimeric- (21–27) known terpenoids, were isolated from the 90% MeOH extract of the whole plant of Chloranthus multistachys. Their structures and absolute configurations were determined by extensive spectroscopic methods and electronic circular dichroism (ECD) calculations. Compounds 4 and 5 are rare trinor-sesquiterpenes with a de-isopropyl guaiane skeleton, whereas compound 6 is a rearranged dinor-eudesmene featuring an uncommon octahydro-1H-indene ring system. Among the isolates, the dimeric lindenane sesquiterpenoid shizukaol C (25) exhibited the most potent (IC50 = 8.04 μM) anti-neuroinflammatory activity by inhibiting the nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated murine BV-2 microglial cells.
NSTL
Elsevier
