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Synthesis Characterization Spectral Studies and Antifungal Activity of Mn(II) Fe(II) Co(II) Ni(II) Cu(II) and Zn(II) Complexes with 2-(4- Sulphophenylazo)-18-Dihydroxy-36-Napthalene Disulphonic Acid Trisodium Salt

机译:Mn(II)Fe(II)Co(II)Ni(II)Cu(II)和Zn(II)与2-(4-磺苯基偶氮)-1配合物的合成表征光谱研究和抗真菌活性8-二羟基-36-萘二磺酸三钠盐

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摘要

Complexes of the type Na6[M(HL)2(H2O)2], where M= Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II) and Na3H2L= 2-(4-sulphophenylazo)-1,8-dihydroxy 3,6 naphthalene disulphonic acid trisodium salt, have been synthesized and characterized by physico-chemical (elemental analyses, solubility, electrolytic conductance, magnetic susceptibility measurement) and spectral (UV-Visible, IR, ESR, powder x-ray diffraction) techniques for their structure and studied for their antifungal activity against ten fungi. The anionic 1:2 metal:ligand complexes show octahedral geometry around M(II), a significant antifungal activity against Curvularia lunata and Alternaria triticina and a moderate activity against Alternaria brassicicola, Alternaria brassicae, Alternaria solanae, Curvularia species, Helminthosporium oryzae, Collectotrichum capsici, Aspergillus niger, Aspergillus flavus and Fusarium udum.
机译:Na6 [M(HL)2(H2O)2]类型的配合物,其中M = Mn(II),Fe(II),Co(II),Ni(II),Cu(II)和Zn(II)和Na3H2L = 2-(4-磺基苯基偶氮)-1,8-二羟基3,6萘二磺酸三钠盐,已通过物理化学(元素分析,溶解度,电导率,磁化率测量)和光谱(UV)进行了表征-可见,IR,ESR,粉末X射线衍射)技术来研究其结构,并研究其对十种真菌的抗真菌活性。阴离子1:2金属:配体配合物在M(II)周围显示八面体几何形状,对弯曲弯曲菌和小麦链格孢有显着的抗真菌活性,并且对黄铜链霉菌,黄铜链霉菌,青紫链霉菌,弯曲菌种,稻曲霉,稻瘟病菌,毛冠线虫具有中等活性。 ,黑曲霉,黄曲霉和延镰刀菌。

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