Abstract
Two new β-carboline alkaloids, aspergillspins A-B (1–2), three new quinolone alkaloids, aspergillspins C-E (3–5), and two new isocoumarins, aspergillspins F-G (6–7), together with four known alkaloids were isolated from the marine gorgonian-derived fungus Aspergillus sp. SCSIO 41501. Their structures were identified by spectroscopic analysis, and the absolute configurations of several chiral carbons in 2 and 3 were further established by quantum chemical calculations of the electronic circular dichroism (ECD) spectra. Their cytotoxic and antibacterial activities were also evaluated.
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