Journal
MAGNETIC RESONANCE IN CHEMISTRY
Volume 46, Issue 7, Pages 693-696Publisher
WILEY
DOI: 10.1002/mrc.2216
Keywords
NMR; H-1 NMR; C-13 NMR; metabolites; 6-demethylvermistatin; penicillide derivative; Guignordia sp; marine fungus
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One new compound 6-demethylvermistatin (1), together with two known compounds, the penicillide derivatives (2) and (3) were isolated from the mangrove fungus Guignardia sp. No. 4382 obtained from the South China Sea. Their structures were assigned using high-resolution electron ionization mass spectrometry(HREIMS), H-1 and C-13 NMR spectra, DEPT, and by 2D COSY, HMQC, and HMBC experiments. The absolute configuration of 1 was established by comparison of its CD with that of vermistatin. Copyright (C) 2008 John Wiley & Sons, Ltd.
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