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:来自Halotolerant Fungus Aspergillus sclerotiorum pt06-1的一种新的细胞毒性吲哚-3-乙酰胺。

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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:分离出一种新的细胞毒性吲哚-3-乙酰胺(1)和两种已知的化合物,7-(3-甲基丁基-2-烯基)-1H-吲哚-3-碳甲醛(2)和大黄素(3),并从乙基中鉴定 醋酸曲霉菌株Pt06-1富含富苯甲酸盐浓度的培养基。 在光谱分析和氨基酸分析的基础上,确定的新结构是(S,E)-3-甲基-2-(N-甲基乙酰胺)-N-(2-(3-(3-) 甲基丁-2-烯基)-1H-吲哚-3-基)乙烯基)丁酰胺在室温下在DMSO-D(6)中的乙酰氨基酰基单键的3:1中的比例。 化合物1与A-549个细胞的中度细胞毒性和弱的细胞毒性与HL-60细胞的弱细胞毒性分别为3.0和27毫米的IC(50)。 化合物2首次被分离为天然产物,并在本研究中首次报告其NMR数据。

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