One-pot synthesis, structural characterization, UV-Vis and electrochemical analyses of new Schiff base complexes of Fe(III), Ni(II) and Cu(II)

被引:22
|
作者
Back, Davi Fernando [1 ]
de Oliveira, Gelson Manzoni [1 ]
Fontana, Liniquer Andre [1 ]
Ramao, Brenda Fiorin [1 ]
Roman, Daiane [1 ]
Iglesias, Bernardo Almeida [1 ,2 ]
机构
[1] Univ Fed Santa Maria, Dept Quim, Lab Mat Inorgan, BR-97115900 Santa Maria, RS, Brazil
[2] Univ Fed Santa Catarina, Dept Quim, BR-88040970 Florianopolis, SC, Brazil
关键词
Schiff bases; Schiff bases complexes; Peroxidase mimetization; RAY CRYSTAL-STRUCTURES; METAL-COMPLEXES; COPPER(II); LIGANDS; COORDINATION; PYRIDOXAL; MN(II); 2-PYRIDINECARBOXALDEHYDE; CD(II); STATES;
D O I
10.1016/j.molstruc.2015.07.050
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The complexes [Ni(Pyr(2)tetam-2H)]center dot 2H(2)O (1) (Pyr(2)tetam = (pyridoxyl)(2)-N-1,N-4-triethylenetetramine), [Fe(Pyr(2)tetam-2H)](ClO4)center dot H2O (2) and [Cu(Pyrtetam-H)](ClO4) (3) (Pyrtetam = pyridoxyl-N-1-triethylenetetramine) were obtained through one pot reactions of triethylenetetramine, pyridoxal chloridrate, triethylamine and the metal salts Ni(ClO4)(2)center dot 6H(2)O, Fe(ClO4)(2)center dot 6H(2)O and Cu(ClO4)(2)center dot 6H(2)O. In complexes 1 and 2 the metal centers present a distorted octahedral coordination, while complex 3 shows a square pyramidal configuration. The structures were characterized through X-ray diffractometry, IR and UV-Vis spectra. Cyclic voltammograms of the title compounds are also presented and discussed. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:264 / 271
页数:8
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