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Coumamarin: a first coumarinyl calcium complex isolated from nature

机译:Coumamarin:从自然中分离的第一个香豆素钙络合物

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摘要

The first calcium complex from nature, Coumamarin (1), 7-hydroxy-3-methoxy-2-oxo-2H-chromene-6-carboxylate Ca(II) complex, was isolated from Aspergillus sydowii ASTI, together with diorcinol (2), violaceol I (3), hydroxysydonic acid (4), cyclo (Trp-Phe), kojic acid, ergosterol, and uracil. The producing strain was isolated from marine water sample collected from Tiran Island, Red Sea, Egypt. Structure 1 was assigned by intensive 1D, 2D NMR, HR-ESIMS, and X-ray crystallography as well. Coumamarin is potentially active against certain tested bacteria and yeasts, while showing no cytotoxic activity against human cervix carcinoma cell line (KB-3-1). Taxonomically, the fungus was identified by phylogenetic analysis of its 18S rRNA gene sequence.
机译:自然,香豆素(1),7-羟基-3-甲氧基-2-氧代-2H-铬-6-羧酸钠CA(II)复合物的第一钙络合物与Diorcinol一起分离,与Diorcinol一起分离(2) ,violaceol i(3),羟基羟基酸(4),Cyclo(Trp-phe),kojic acid,ergosterol和尿嘧啶。 从埃及里拉兰岛,红海收集的海洋水样品中分离生产菌株。 结构1由密集的1D,2D NMR,HR-ESIM和X射线晶体学分配。 Coumamarin可能对某些测试的细菌和酵母有效,同时没有针对人宫颈癌细胞系(KB-3-1)的细胞毒性活性。 分叉分子,通过其18S rRNA基因序列的系统发育分析来鉴定真菌。

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    Bielefeld Univ Organ &

    Bioorgan Chem Dept Chem Univ Str 25 D-33501 Bielefeld Germany;

    Bielefeld Univ Organ &

    Bioorgan Chem Dept Chem Univ Str 25 D-33501 Bielefeld Germany;

    Bielefeld Univ Organ &

    Bioorgan Chem Dept Chem Univ Str 25 D-33501 Bielefeld Germany;

    Bielefeld Univ Fac Chem Chair Ind Organ Chem &

    Biotechnol Bielefeld Germany;

    Bielefeld Univ Dept Chem Inorgan &

    Struct Chem D-33501 Bielefeld Germany;

    Bielefeld Univ Organ &

    Bioorgan Chem Dept Chem Univ Str 25 D-33501 Bielefeld Germany;

    Bielefeld Univ Organ &

    Bioorgan Chem Dept Chem Univ Str 25 D-33501 Bielefeld Germany;

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  • 正文语种 eng
  • 中图分类 药学;
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