Biological activity studies on metal complexes of novel tridentate Schiff base ligand. Spectroscopic and thermal characterization
作者:Gehad G. Mohamed、M.M. Omar、Amr A. Ibrahim
DOI:10.1016/j.ejmech.2009.07.028
日期:2009.12
moment, molar conductance, ESR spectra and thermal analyses (TG, DTG and DTA). From the elemental analyses, 1:1 [M]:[ligand] complexes are prepared with the general formulae [M(L)Cl(H2O)2]·yH2O (M = Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II), y = 3–4), [Fe(L)Cl2(H2O)]·3H2O and [Th(L)Cl(H2O)2]Cl2·3H2O. The molar conductance data reveal that all the metal chelates are non-electrolytes (except Th(IV)
制备通过4-氨基安替比林和2-氨基苯酚缩合制备的新型席夫碱(HL)配体的金属配合物。基于元素分析,质量,IR和1 H NMR光谱对配体进行表征。根据元素分析,IR,1 H NMR,固体反射率,磁矩,摩尔电导,ESR光谱和热分析(TG,DTG和DTA)对金属配合物进行了报道和表征。从元素分析中,以通式[M(L)Cl(H 2 O)2 ]· y H 2 O(M = Mn(II),Co( II),Ni(II),Cu(II),Zn(II)和Cd(II),y = 3-4),[Fe(L)Cl 2(H 2 O)]·3H2 O和[钍(L)氯(H 2 O)2 ]氯2 ·3H 2 O的摩尔电导数据表明,所有的金属螯合物是非电解质(除钍(Ⅳ)配合物,它是2:1电解质)。红外光谱表明,HL与偶氮甲胺-N的NNO供体位点以一致的三齿方式与金属离子配位,氨基N和去质子化的酚O。从磁和固体反射光谱,发现这些络合物的几何