Secondary metabolites from the marine-derived fungus Phaeosphaeria spartinae

Abstract

Investigation of the marine-derived fungus Phaeosphaeria spartinae led to the isolation of a new enantiomer of tricinonoic acid, namely (–)-tricinonoic acid (1), and a new polyketide spartinol E (2), together with three known compounds (3–5).

Graphical Abstract

Keywords:

• Phaeosphaeria spartinae
• marine natural products
• spartinol E
• methyl mycophenolic acid
• chrysophanol
• 8-hydroxy-6-methoxy-3-methylisocoumarin

Disclosure statement

No potential conflict of interest was reported by the authors.

Supplementary material

¹H-, ¹³C-NMR, 2D-spectra, UV and IR spectra of compound 1; ¹H-, ¹³C-NMR, and 2D-spectra of compound 2; ¹H-, and ¹³C-NMR spectra of compound 3.