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Syntheses, characterization and biological studies of zinc(II), copper(II) and cobalt(II) complexes with Schiff base ligand derived from 2-hydroxy-1-naphthaldehyde and selenomethionine

文献类型： 外文期刊

作者： Ran, Xueguang 1 ; Wang, Lingyun 1 ; Lin, Yingcai 2 ; Hao, Jie 2 ; Cao, Derong 1 ;

作者机构： 1.S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China

2.Guangdong Acad Agr Sci, Inst Anim Sci, Guangzhou 510640, Guangdong, Peoples R China

关键词： Schiff base;D, L-selenomethionine;complexes;antibacterial;antifungal

期刊名称：APPLIED ORGANOMETALLIC CHEMISTRY （ 影响因子：4.105； 五年影响因子：3.966 ）

ISSN： 0268-2605

年卷期： 2010 年 24 卷 10 期

页码：

收录情况： SCI

摘要： Novel zinc(II), copper(II), and cobalt(II) complexes of the Schiff base derived from 2-hydroxy-1-naphthaldehyde and D, L-selenomethionine were synthesized and characterized by elemental analysis, IR, electronic spectra, conductance measurements, magnetic measurements and powder XRD. The analytical data showed the composition of the metal complex to be ML(H(2)O), where L is the Schiff base ligand and M=Co(II), Cu(II) and Zn(II). IR results confirmed the tridentate binding of the Schiff base ligand involving azomethine nitrogen, naphthol oxygen and carboxylato oxygen atoms. (1)H NMR spectral data of lithium salt of the Schiff base ligand [Li(HL)] and ZnL(H(2)O) agreed with the proposed structures. The conductivity values of complexes between 12.50 and 15.45 S cm(2) mol(-1) in DMF suggested the presence of non-electrolyte species. The powder XRD studies indicated that Co(II) complex is amorphous, whereas Cu(II) and Zn(II) complexes are crystalline. The results of antibacterial and antifungal screening studies indicated that Li(HL) and its metal complexes are active, but CuL(H(2)O) is most active among them. Copyright (C) 2010 John Wiley & Sons, Ltd.

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