A new isocoumarin, xylariamalirin (1), was isolated from the n-BuOH-soluble fraction of the fermentation broth of an endophytic fungus Xylaria mali, derived from the Taiwanese Lepidagathis stenophyllTaiwana C. B. Clarke ex Hayata (Acanthaceae) growing in the Hengchun Peninsula of southern . The structures were elucidated by spectroscopic analyses, including 1D and 2D NMR experiments, and by HR-ESI-MS mass spectrometry.
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Acknowledgment
This investigation was supported by a grant from the Ministry of Economic Affairs of the Republic of China and by Yuan′s General Hospital, Kaohsiung, Taiwan (YGH-19-005). The authors also thank Senior Technician Mrs. Chyi-Jia Wang of the Center for Resources, Research, and Development (CRRD) of Kaohsiung Medical University for measuring the 2D NMR data.
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Published in Khimiya Prirodnykh Soedinenii, No. 2, March–April, 2020, pp. 198–199.
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Cheng, MJ., Wu, MD., Aung, T. et al. A New Isocoumarin from the Fungus Xylaria mali. Chem Nat Compd 56, 221–223 (2020). https://doi.org/10.1007/s10600-020-02992-6
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DOI: https://doi.org/10.1007/s10600-020-02992-6