期刊
CHEMISTRY & BIODIVERSITY
卷 10, 期 11, 页码 2007-2013出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.201200361
关键词
Fungi; Pestalotiopsis fici; Antifungal activity; 2H-Pyran-2-ones; 2H-Furan-2-ones
资金
- Key Program of National Hi-Tech Research and Development [2012AA021703]
- National Natural Science Foundation of China [21002120]
- Chinese Academy of Sciences [KSCX2-EW-G-6]
- Ministry of Science and Technology of China [2010ZX09401-403, 2012ZX09301-002-003]
- Youth Innovation Promotion Association of Chinese Academy of Sciences
Two new -pyrones (=2H-pyran-2-ones), ficipyrones A and B (1 and 2, resp.), and two new -furanones (=2H-furan-2-ones), ficifuranones A and B (3 and 4, resp.), together with three known metabolites, antibiotic F 0368 (5), hydroxyseiridin (6), and hydroxyisoseiridin (7), were isolated from solid cultures of the plant endophytic fungus Pestalotiopsis fici. Their structures were elucidated primarily by NMR spectroscopy, and the absolute configuration of 1 was deduced from the circular-dichroism (CD) data. Compound 1 showed antifungal activity against the plant pathogen Gibberella zeae (CGMCC 3.2873) with an IC50 value of 15.9M.
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