A New Compound from the Endophytic Fungus Xylaria sp. from Sophora tonkinensis
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A new compound, 6-heptanoyl-4-methoxy-2H-pyran-2-one (1), was isolated from the endophytic fungus Xylaria sp. GDG-102 from the leaf of Sophora tonkinensis. The structure of the new compound was elucidated on the basis of 1D and 2D NMR spectra. Compound 1 showed antimicrobial activity against E. coli and S. aureus with MIC values 50 μg/mL.
KeywordsSophora tonkinensis Xylaria sp. secondary metabolite
This work was supported by the Program for Innovative Research Team (No. IRT1225), the National Natural Science Foundation of China (No. 21762007), the Guangxi Natural Science Foundation of China (No. 2014GXNSFAA118055), and the Project of State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Guangxi Normal University) (No. CMEMR2016-A06).