Author: Zhou, Dexiong; Zhang, Wenxiu; Hao, Lili; Qin, Xiaoya; Yang, Ruiyun; Li, Jun; Huang, Xishan
Title: A new sesquiterpene from mangrove endophytic fungus Aspergillus sp. GXNU-MA1. Cord-id: jo55fk4q Document date: 2020_9_23
ID: jo55fk4q
Snippet: A new sesquiterpene, gxsespene A (1), and four known sesquiterpene derivatives 2-5 were isolated from the mangrove endophytic fungus Aspergillus sp. GXNU-MA1. Their structures were elucidated based on high-resolution electrospray ionization mass spectroscopy (HR-ESI-MS) datum, extensive nuclear magnetic resonance (NMR) spectroscopic analysis, and comparison with literature data. The structure of 1 was further confirmed by single-crystal X-ray diffraction analysis, and the absolute configuration
Document: A new sesquiterpene, gxsespene A (1), and four known sesquiterpene derivatives 2-5 were isolated from the mangrove endophytic fungus Aspergillus sp. GXNU-MA1. Their structures were elucidated based on high-resolution electrospray ionization mass spectroscopy (HR-ESI-MS) datum, extensive nuclear magnetic resonance (NMR) spectroscopic analysis, and comparison with literature data. The structure of 1 was further confirmed by single-crystal X-ray diffraction analysis, and the absolute configuration of 1 was established. Compounds 1-5 were evaluated for their anti-inflammatory activities against the nitric oxide (NO) production, and compounds 1-5 showed moderate inhibitory activities with IC50 values ranging from 16.15 to 27.08 µM.
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