Four new diphenyl ethers,named epicoccethers K−N(1−4),were purified from the fermentation medium of a fungus Epicoccum sorghinum derived from Myoporum bontioides,and identified through HR-ESI-MS and NMR spectral analy...Four new diphenyl ethers,named epicoccethers K−N(1−4),were purified from the fermentation medium of a fungus Epicoccum sorghinum derived from Myoporum bontioides,and identified through HR-ESI-MS and NMR spectral analysis.Except that compound 1 showed moderate antifungal activity against Penicillium italicum and Fusarium graminearum,the other three compounds showed stronger activity against them than triadimefon.All of them showed moderate or weak antibacterial activity towards Staphylococcus aureus and Escherichia coli with O6 and O78 serotypes except that 3 was inactive to E.coli O6.展开更多
基金supported by Guangdong Basic and Applied Basic Research Foundation(Nos.2019B1515210023,2020A1515010325)Guangdong Characteristic Innovation Projects of Colleges and Universities(No.2020KTSCX018)Guangdong Natural Science Foundation(No.2018A030313582).
文摘Four new diphenyl ethers,named epicoccethers K−N(1−4),were purified from the fermentation medium of a fungus Epicoccum sorghinum derived from Myoporum bontioides,and identified through HR-ESI-MS and NMR spectral analysis.Except that compound 1 showed moderate antifungal activity against Penicillium italicum and Fusarium graminearum,the other three compounds showed stronger activity against them than triadimefon.All of them showed moderate or weak antibacterial activity towards Staphylococcus aureus and Escherichia coli with O6 and O78 serotypes except that 3 was inactive to E.coli O6.
