Two new dihydroxanthones, muroxanthenones D and E (1 and 2), were isolated from the fermentation products of the endophytic fungus Gliomastix murorum. Their structures were elucidated by spectroscopic methods, including extensive 1D and 2D NMR techniques. Compounds 1 and 2 were tested for their anti-tobacco mosaic virus (anti-TMV) activity, and they exhibited activity with inhibition rates of 16.4 and 15.3%, respectively.
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Acknowledgment
This research was supported by the National Natural Science Foundation of China (No. 21462051), the Applied Basic Research Combined Project of Yunnan Technology Bureau & Kunming Medical University (2011FB124), and the Scientific Research Fund Key Project of the Education Department of Yunnan Province (2013Z038).
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Published in Khimiya Prirodnykh Soedinenii, No. 4, July–August, 2016, pp. 536–538.
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Dong, W., Liu, C., Shen, Q. et al. Dihydroxanthenones from the Fermentation Product of the Endophytic Fungus Gliomastix murorum . Chem Nat Compd 52, 620–623 (2016). https://doi.org/10.1007/s10600-016-1724-2
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DOI: https://doi.org/10.1007/s10600-016-1724-2