Tetrahedron
Tetrahedron
5 years ago

Cytotoxic tropolones from the fungus Nemania sp. BCC 30850

Cytotoxic tropolones from the fungus Nemania sp. BCC 30850
Twelve new compounds, including nine tropolones, nemanolones A−I (1–9), three 7-isochromenones, nemanecins A−C (10–12), and a new naturally isolated 4-isochromanone (13), along with two known compounds, 7,8-dihydroxy-3-methyl isochroman-4-one (XJP), and chaetoquadrin F, were isolated from culture broth of the fungus Nemania sp. BCC 30850. Structures of these compounds were elucidated by NMR and MS spectroscopic analyses. Nemanolones exhibited cytotoxic activities and two of them, compounds 1 and 2, also showed antibacterial activity against Bacillus cereus and antifungal activity against Candida albicans.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017305057

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