期刊
TETRAHEDRON LETTERS
卷 79, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2021.153314
关键词
Eutypella scoparia; Leptospermum brachyandrum; Cytotoxic activity; Antibacterial activity
资金
- National Natural Science Foundation of China (NSFC) [81773602]
- Natural Science Foundation of Guangdong Province [2019A1515011694]
- Guangdong Special Support Program [2017TQ04R599]
- Youth Innovation Promotion Association of CAS [2020342]
- Foundation of Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences
Ten compounds, including three new ones, were isolated from the endophytic fungus Eutypella scoparia SCBG-8, with eutyscoparol J possessing a rare fused ring system. These compounds show promising antimicrobial activity and low cytotoxicity, indicating their potential as leads for drug development.
Ten compounds, including three new ones, eutyscoparols H-J (1, 2 and 5), together with seven related known ones (3, 4 and 6-10), were isolated from the endophytic fungus Eutypella scoparia SCBG-8. Their chemical structures as well as absolute configurations were established by interpretation of the NMR spectroscopic data and X-ray diffraction. Among them, eutyscoparol J possesses a rarely occurring complex 6/6/6/6/6/6/6 fused ring system. Moreover, the cytotoxic and antibacterial assays suggested that compounds 1-4 could serve as promising leads for further antimicrobial drug development, with potent antibacterial activity (MIC values 1.25-6.25 lg/mL towards MRSA) and weak cytotoxicity. 2009 Elsevier Ltd. All rights reserved. (C) 2021 Elsevier Ltd. All rights reserved.
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