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首页> 外文期刊>The Journal of Antibiotics: An International Journal >A new cytotoxic indole-3-ethenamide from the halotolerant fungus Aspergillus sclerotiorum PT06-1.
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A new cytotoxic indole-3-ethenamide from the halotolerant fungus Aspergillus sclerotiorum PT06-1.

机译:一种新的细胞毒性吲哚-3-乙酰胺从卤代菌真菌菌曲霉PT06-1。

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摘要

A new cytotoxic indole-3-ethenamide (1) and two known compounds, 7-(3-methylbut-2-enyl)-1H-indole-3-carbaldehyde (2) and emodin (3) were isolated and identified from the ethyl acetate extract of Aspergillus sclerotiorum PT06-1 in a hypersaline nutrient-rich medium. On the basis of spectroscopic analysis and amino-acid analysis, the new structure of 1 was determined to be (S,E)-3-methyl-2-(N- methylacetamido)-N-(2-(7-(3-methylbut-2-enyl)-1H-indol-3-yl)vinyl)butanamide within 3:1 ratio of rotamers along the acetamido single bond in DMSO-d(6) at room temperature. Compound 1 showed moderate cytotoxicity against A-549 cells and weak cytotoxicity against HL-60 cells with the IC(50) values of 3.0 and 27 muM, respectively. Compound 2 has been separated as natural product for the first time, and its NMR data were also reported for the first time in this study.
机译:从乙基中分离出一种新的具有细胞毒性的吲哚-3-乙酰胺(1)和两种已知的化合物7-(3-甲基丁-2-烯基)-1H-吲哚-3-甲醛(2)和大黄素(3)。高盐营养丰富的培养基中的曲霉菌PT06-1的醋酸盐提取物。根据光谱分析和氨基酸分析,确定1的新结构为(S,E)-3-甲基-2-(N-甲基乙酰胺基)-N-(2-(7-(3-室温下,DMSO-d(6)中沿酰胺基单键旋转的旋转异构体比例为3:1时,甲基丁-2-烯基)-1H-吲哚-3-基)乙烯基)丁酰胺。化合物1对A-549细胞表现出中度细胞毒性,对HL-60细胞表现出较弱的细胞毒性,其IC(50)值分别为3.0和27μM。化合物2首次作为天然产物被分离出来,并且该研究也首次报道了其NMR数据。

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