首页|Cytotoxic sesquiterpenoids from Dysoxylum parasiticum (Osbeck) Kosterm. stem bark
Cytotoxic sesquiterpenoids from Dysoxylum parasiticum (Osbeck) Kosterm. stem bark
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NSTL
Elsevier
? 2021 Phytochemical Society of EuropeTwo undescribed sesquiterpenoid derivatives, 10β,11-dihydroxy-1β-hydroperoxide-4αH,5αH,7βH-guaiane (1) and 10β-hydroxy-4α,4β-dimethyl-5αH,7αH-eudesm-3-one (2) along with three known of guaiane, aromadendrane, and cadinane sesquiterpenoids (3-5) were isolated from the stem bark of Dysoxylum parasiticum (Osbeck) Kosterm. The chemical structure of the compounds were determined by detailed analysis of spectroscopic data, including MS, IR, 1D, and 2D NMR as well as through comparison with data of known analogues. The isolated compounds were also tested for cytotoxic properties against MCF-7 breast cancer line. Compound 4, was found to exhibit the strongest cytotoxic activity with an IC50 value of 12.17 μM, while the other compounds showed moderate or no activity.