期刊
MARINE DRUGS
卷 21, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/md21030150
关键词
isocoumarins; marine fungus; Phaeosphaeriopsis sp; neuroprotective effect; cytotoxicity
Five new isocoumarins, phaeosphaerins A-E (1-5), were isolated from the fermentation broth of the marine fungus Phaeosphaeriopsis sp. WP-26, along with one known isocoumarin, 6,8-dihydroxy-7-methoxy-3-methylisocoumarin (6), and two known pimarane-type diterpenes, diaportheins A (7) and B (8). Their structures were elucidated using NMR experiments, X-ray diffraction analysis, and comparison of the experimental and computed ECD curves. Compounds 1-7 displayed weak neuroprotective effects against H2O2-induced damage in SH-SY5Y cells. Moreover, compound 8 showed cytotoxicity against BEL-7402, SGC-7901, K562, A549, and HL-60 cell lines.
Five new isocoumarins, phaeosphaerins A-E (1-5), were isolated from the fermentation broth of the marine fungus Phaeosphaeriopsis sp. WP-26, along with one known isocoumarin, 6,8-dihydroxy-7-methoxy-3-methylisocoumarin (6), and two known pimarane-type diterpenes, diaportheins A (7) and B (8). Their structures were elucidated via NMR experiments, X-ray diffraction analysis, and comparison of the experimental and computed ECD curves. Compounds 1-7 displayed weak neuroprotective effects against H2O2-induced damage in SH-SY5Y cells. Moreover, compound 8 showed cytotoxicity against BEL-7402, SGC-7901, K562, A549, and HL-60 cell lines.
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