Synthesis, characterization and the thermodynamic studies of some unsymmetrical tetradentate Schiff-base ligands and their Ni(II) and Cu(II) complexes

被引：12

作者：

Asadi, Mozaffar ^{[1
]}

Asadi, Zahra ^{[1
]}

机构：

[1] Shiraz Univ, Coll Sci, Dept Chem, Shiraz 71454, Iran

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2008年 / 61卷 / 04期

关键词：

copper complex; formation constant; nickel complex; thermodynamics; unsymmetrical Schiff-base;

D O I：

10.1080/00958970701390003

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Some new unsymmetrical tetradentate Schiff-base ligands, (N-salicylidene-N'-pyrrolidene)-1,2-ethylenediamine(H(2)salpyren) (H2L1), (H(2)Mesalpyren) (H2L2), (H(2)phsalpyren) (H2L3), (N-salicylidene-N'-pyrrolidene)-1,3-propylenediamine (H(2)salpyrpd) (H2L4), (H(2)Mesalpyrpd) (H2L5), (H(2)phsalpyrpd) (H2L6) and their Ni(II) and Cu(II) complexes were synthesized and characterized by elemental analyses, IR, UV-Vis, 1H NMR and mass spectra and magnetic moments. Possible structures of these complexes have been proposed. The thermodynamic formation constants of the complexes were determined spectrophotometrically at constant ionic strength 0.1 M (NaClO4), at 25 degrees C in methanol.

引用

页码：640 / 650

页数：11

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