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A New Isochroman Derivative from the Endophytic Microsphaeropsis arundinis

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Chemistry of Natural Compounds Aims and scope

A new isochroman derivative, erythro-2-methyl-5-hydroxyphenylpropane-7,8-diol (1), and three known compounds including of (4S)-4,8-dihydroxy-3,4-dihydro-1(2H)-naphthalen-1-one (2), (4S)-4,6,8-trihydroxy-3,4-dihydro-1(2H)-naphthalen-1-one (3), and chrysogeside D (4), were isolated from Microsphaeropsis arundinis. Compounds 3 and 4 were first found in Microsphaeropsis. The antibacterial, antiphytopathogenic, and antioxidant activities of these compounds were evaluated. Compounds 1 and 4 inhibited Alternaria tenuissima, a pathogenic fungus causing root rot of Panax notoginseng with MICs at 64 μg/mL, which showed the ecological function of the endophyte for its host plant.

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Acknowledgment

This project was supported by the National Natural Science Foundation of China (81360480, 81460536, and 81560571).

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Authors and Affiliations

  1. School of Chemical Science and Technology, Yunnan University, 650091, Kunming, P. R. China

    Shao-Huan Qin, Ya-Bin Yang, Ming Hu & Zhong-Tao Ding

  2. Yunnan Institute of Microbiology, Yunnan University, 650091, Kunming, P. R. China

    Li-Xing Zhao

Authors
  1. Shao-Huan Qin
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  2. Li-Xing Zhao
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  3. Ya-Bin Yang
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  4. Ming Hu
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  5. Zhong-Tao Ding
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Correspondence to Zhong-Tao Ding.

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Published in Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2017, pp. 746–748.

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Qin, SH., Zhao, LX., Yang, YB. et al. A New Isochroman Derivative from the Endophytic Microsphaeropsis arundinis . Chem Nat Compd 53, 877–879 (2017). https://doi.org/10.1007/s10600-017-2145-6

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  • DOI: https://doi.org/10.1007/s10600-017-2145-6

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