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Senhua Chen, Hongjie Shen, Yanlian Deng, Heng Guo, Minghua Jiang, Zhenger Wu, Huimin Yin, Lan Liu. 2021: Roussoelins A and B: two phenols with antioxidant capacity from ascidian-derived fungus Roussoella siamensis SYSU-MS4723. Marine Life Science & Technology, 3(1): 69-76. DOI: 10.1007/s42995-020-00066-8
Citation: Senhua Chen, Hongjie Shen, Yanlian Deng, Heng Guo, Minghua Jiang, Zhenger Wu, Huimin Yin, Lan Liu. 2021: Roussoelins A and B: two phenols with antioxidant capacity from ascidian-derived fungus Roussoella siamensis SYSU-MS4723. Marine Life Science & Technology, 3(1): 69-76. DOI: 10.1007/s42995-020-00066-8

Roussoelins A and B: two phenols with antioxidant capacity from ascidian-derived fungus Roussoella siamensis SYSU-MS4723

  • Ascidian-derived microorganisms are a significant source of pharmacologically active metabolites with interesting structural properties. When discovering bioactive molecules from ascidian-derived fungi, two new phenols, roussoelins A (1) and B (2), and ten known polyketides (312) were isolated from the ascidian-derived fungus Roussoella siamensis SYSU-MS4723. The planar structure of compounds 1 and 2 was established by analysis of HR-ESIMS and NMR data. The conformational analysis of the new compounds was assigned according to coupling constants and selective gradient NOESY experiments, and absolute configurations were completed by the modified Mosher's method. Among the isolated compounds, 1, 2, and 9 showed moderate antioxidant capacity.
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