Dahurelmusin A, a Hybrid Peptide-Polyketide from Elymus dahuricus Infected by the Epichloe bromicola Endophyte
文献类型： 外文期刊
作者： Song, Qiu-Yan 1 ; Yu, Hai-Tao 2 ; Zhang, Xing-Xu 1 ; Nan, Zhi-Biao 1 ; Gao, Kun 3 ;
作者机构： 1.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, State Key Lab Grassland Agroecosyst, Lanzhou 730020, Peoples R China
2.Gansu Acad Agr Sci, Inst Plant Protect, Lanzhou 730070, Peoples R China
3.Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
期刊名称：ORGANIC LETTERS （ 影响因子：6.005； 五年影响因子：5.551 ）
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收录情况： SCI
摘要： One novel hybrid peptide-polyketide, dahurelmusin A (1), was isolated from Elymus dahuricus infected by the Epichloe bromicola endophyte. comprehensive spectroscopic analysis revealed that 1 is the first example of hybrid peptide-polyketide possessing an unprecedented 5-hydroxy-2,2,4,6-tetramethyl-3-oxooctanoic acid moiety. The single crystal X-ray diffraction analyses allowed the absolute configuration assignment of this compound. Compound 1 also exhibited significant insecticidal activities against Rhopalosiphum padi and Brevicoryne brassicae with LC50 values of 0.092 and 0.251 mM, respectively.
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