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Cytotoxic Diterpenoids from . | LitMetric

AI Article Synopsis

Article Abstract

Seven new (-) and 11 known diterpenoids were isolated and identified from . These diterpenoids were structurally determined by HRESIMS and NMR spectroscopic analyses, single-crystal X-ray diffraction, and ECD data. Structurally, aureoglandulosin A () is a highly oxygenated abietane diterpenoid with an unprecedented 7/6/6/5-ring system. Aureoglandulosins B () and C () represent naturally occurring new diterpenoids with an unusual 6/6/6/5-ring system. Additionally, the configurations of two known abietane diterpenoids and were determined by X-ray crystallographic data analysis for the first time. A plausible biosynthetic pathway for compounds - is proposed. The cytotoxicity of all isolates was evaluated, and compounds and exhibited significant cytotoxic activity against some cell lines with IC values in the range 1.6-8.2 μM.

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Source
http://dx.doi.org/10.1021/acs.jnatprod.9b01052DOI Listing

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