期刊
MARINE DRUGS
卷 17, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/md17110605
关键词
Laurencia okamurai; Aspergillus terreus; endophytic fungus; prenylated phenol; benzofuran; antibacterial activity
资金
- National Natural Science Foundation of China [31330009]
- Natural Science Foundation of Shandong Province [ZR2018BD031]
- China Postdoctoral Science Foundation [2018M632732]
Three new prenylated phenol derivatives, terreprenphenols A-C (1-3), along with four known related compounds (4-7), were isolated from Aspergillus terreus EN-539, an endophytic fungus obtained from the marine red alga Laurencia okamurai. The structures of these compounds were established by extensive analysis of 1D/2D NMR data, mass spectrometric data, and optical rotation (OR). The corresponding relationship between absolute configuration and optical rotation for known compounds anodendroic acid (4) and asperterreusine C (5) was ambiguous in literature, and their absolute configurations were therefore discussed and confirmed for the first time by time-dependent density functional (TDDFT) ECD and OR calculations. Compounds 1-7 inhibited some common aquatic bacteria with MIC values ranging from 2 to 64 mu g/mL.
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