Terpenoids from Tripterygium hypoglaucum and their inhibition of LPS-induced NO production

2014 
One new (1) and three known (2–4) sesquiterpenes and four known diterpenes (5–8) were isolated from the root bark of Tripterygium hypoglaucum. Their structures were elucidated on the basis of extensive spectroscopic analyses (IR, ESI-MS, HR-ESI-MS, 1D-NMR, and 2D-NMR). The inhibitory activity toward LPS-induced NO production of these terpenoids was evaluated, all the compounds showing inhibitory effects.
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