New Fusaric Acid Derivatives from the Endophytic Fungus Fusarium oxysporum and Their Phytotoxicity to Barley Leaves
文献类型: 外文期刊
第一作者: Liu, Shuai
作者: Liu, Shuai;Liu, Zhen;Proksch, Peter;Da, Haofu;Orfali, Raha S.;Lin, Wenhan
作者机构:
关键词: Fusarium oxysporum;fusaricates A-G;structural elucidation;phytotoxicity
期刊名称:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY ( 影响因子:5.279; 五年影响因子:5.269 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Chemical investigation of the endophytic fungus Fusarium oxysporum isolated from fruits of Drepanocarpus lunatus afforded eight new fusaric acid derivatives, fusaricates A-G, 1-7, and 10-hydroxy-11-chlorofusaric acid, 8, along with four known compounds. Their structures were elucidated by one- and two-dimensional NMR as well as MS data and by comparison with the literature. The absolute configurations of fusaricates 3-5, were determined using chiral GC-MS. Fusaricates A-G, 1-7, represent the first examples of fusaric acid linked to a polyalcohol moiety via an ester bond. All isolated fusaric acid derivatives 1-8 showed significant phytotoxicity to leaves of barley.
分类号: R15`S
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