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Two New Metabolites from the Endophytic Fungus Alternaria sp. A744 Derived from Morinda officinalis
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Two New Metabolites from the Endophytic Fungus Alternaria sp. A744 Derived from Morinda officinalis
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Journal Article
Two New Metabolites from the Endophytic Fungus Alternaria sp. A744 Derived from Morinda officinalis
2017
Overview
Two new compounds isobenzofuranone A (1) and indandione B (2), together with eleven known compounds (3–13) were isolated from liquid cultures of an endophytic fungus Alternaria sp., which was obtained from the medicinal plant Morinda officinalis. Among them, the indandione (2) showed a rarely occurring indanone skeleton in natural products. Their structures were elucidated mainly on the basis of extensive spectroscopic data analysis. All of the compounds were evaluated with cytotoxic and α-glucosidase inhibitory activity assays. Compounds 11 and 12 showed significant inhibitory activities against four tumor cell lines; MCF-7, HepG-2, NCI-H460 and SF-268, with IC50 values in the range of 1.91–9.67 μM, and compounds 4, 5, 9, 10, 12 and 13 showed excellent inhibitory activities against α-glucosidase with IC50 values in the range of 12.05–166.13 μM.
Publisher
MDPI AG,MDPI
Subject
