New Secondary Metabolites from the Marine-Derived Fungus Talaromyces mangshanicus BTBU20211089.

New Secondary Metabolites from the Marine-Derived Fungus Talaromyces mangshanicus BTBU20211089.
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海洋真菌Talaromyces mangshanicus BTBU20211089的新次级代谢产物

DOI:
10.3390/md20020079
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发表时间:
2022-01-18
期刊:
影响因子:
5.4
通讯作者:
Wang L
Wang L
中科院分区:
医学2区
文献类型:
--
作者:
Zhang K;Zhang X;Lin R;Yang H;Song F;Xu X;Wang L

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从海洋真菌Talaromycesmangshanicus BTBU 20211089中鉴定出7个新化合物,即Talaromanloid A(1)、Talaromydene(2)、10-羟基-8-去甲基Talaromydine和11-羟基-8-去甲基Talaromydine(3和4)、Talaromylectone(5)和ditalaromylectone A和B(6和7),以及7个已知化合物,它是从中国南海的沉积物中分离出来的。使用光谱数据,包括HRESIMS,1D和2D NMR技术确定它们的化学结构。1和2的绝对构型通过比较实验和计算的ECD光谱来阐明。化合物1、2、6和7是具有新碳骨架的新化合物。化合物6是3和9的二聚体分子。化合物7具有3和4的环化二聚体的独特结构。对所有化合物进行了抗金黄色葡萄球菌、大肠杆菌和白色念珠菌的生物活性测试。
Seven new compounds, namely talaromanloid A (1), talaromydene (2), 10-hydroxy-8-demethyltalaromydine and 11-hydroxy-8-demethyltalaromydine (3 and 4), talaromylectone (5), and ditalaromylectones A and B (6 and 7), together with seven known compounds were identified from a marine-derived fungus, Talaromyces mangshanicus BTBU20211089, which was isolated from a sediment sample collected from the South China Sea. Their chemical structures were determined using spectroscopic data, including HRESIMS, 1D, and 2D NMR techniques. The absolute configurations of 1 and 2 were elucidated by comparing experimental and calculated ECD spectra. Compounds 1, 2, 6, and 7 are new compounds possessing a novel carbon skeleton. Compound 6 is a dimeric molecule of 3 and 9. Compound 7 shared a unique structure of the cyclized dimer of 3 and 4. All the compounds were tested for their bioactivities against Staphylococcus aureus, Escherichia coli, and Candida albicans.
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