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Abstract A new azaphthalide derivative, (S)-3-hydroxy-2,7-dimethylfuro [3,4-b]pyridin-5(7H)-one (1), and a new phthalide derivative, (S)-7-hydroxy-3-((S)-1-hydroxyethyl)isobenzofuran-1(3H)-one (2), were isolated from the coral-derived fungus Aspergillus sp. SCSIO41405, together with eight known compounds (3–10).… Click to show full abstract
Abstract A new azaphthalide derivative, (S)-3-hydroxy-2,7-dimethylfuro [3,4-b]pyridin-5(7H)-one (1), and a new phthalide derivative, (S)-7-hydroxy-3-((S)-1-hydroxyethyl)isobenzofuran-1(3H)-one (2), were isolated from the coral-derived fungus Aspergillus sp. SCSIO41405, together with eight known compounds (3–10). Their structures, including absolute configurations, were determined by NMR and MS spectroscopic analyses, optical rotation, calculated electronic circular dichroism (ECD) and X-ray crystal data. The isolated compounds were examined for antibacterial and enzyme inhibition activities. Compounds 7 and 8 exhibited weak antibacterial activities, and 10 displayed moderate inhibition on pancreatic lipase with an IC50 value of 15.6 μg/mL.
Journal Title: Phytochemistry Letters
Year Published: 2021
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