期刊
MAGNETIC RESONANCE IN CHEMISTRY
卷 49, 期 6, 页码 366-369出版社
WILEY-BLACKWELL
DOI: 10.1002/mrc.2748
关键词
NMR; (1)H NMR; (13)C NMR; 2D NMR; (8E,12Z)-10,11-dihydroxyoctadeca-8,12-dienoic acid; 3 beta,4 alpha-dihydroxy-26-methoxyergosta7,24(28)-dien-6-one; Aspergillus flavus; Corallina officinalis
资金
- Chinese Academy of Sciences for Key Topics in Innovation Engineering [KZCX2-YW-QN209, KSCX2-YW-G-073]
- Shandong Province Natural Science Foundation [ZR2009BQ021]
- Yantai Municipal Sci-Tech Development Program [2009164]
- Foundation of the Chinese Academy of Sciences
A new oxylipin, (8E, 12Z)-10,11-dihydroxyoctadeca-8,12-dienoic acid (1), a new steroid, 3 beta, 4 alpha-dihydroxy-26-methoxyergosta7,24( 28)-dien-6-one (2), and four known steroids, episterol (3), (22E, 24R)-ergosta-7,22-dien-3 beta, 5 alpha, 6 alpha-triol (4), (22E, 24R)ergosta- 5,22-dien-3 beta-ol (5), and (22E, 24R)-ergosta-4,6,8(14), 22-tetraen-3-one (6), were isolated from the cultures of Aspergillus flavus, an endophytic fungus isolated from the marine red alga Corallina officinalis. Their structures and relative stereochemistry were elucidated by 1D, 2D NMR and mass spectroscopic techniques. 1 and 2 exhibited low activity to inhibit acetylcholinesterase and no activity against plant pathogenic fungi Colletotrichum lagenarium and Fusarium oxysporum. Copyright (C) 2011 John Wiley & Sons, Ltd.
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