Abstract
Seven new polyketides [moringols I-VII (1-7)], a new alkaloid [moringamine I (8)], and seven known compounds (9-15) were isolated from the fungus Curvularia moringae JKYM-KR4. The planar chemical structures and relative configurations of the new compounds were elucidated by high-resolution mass spectrometry, 1D and 2D NMR spectroscopy, and DP4+ analysis using the calculated 13C NMR chemical shifts. For moringols I and II (1 and 2), the planar chemical structures and relative configurations were confirmed using X-ray crystallography. The absolute configurations of 1-6 and 8 were determined by ECD calculations. Among the isolated compounds, terpestacin (14) moderately inhibited the proliferation of HT-29 cells.
Published Version
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