Synthesis and thermodynamic properties of novel tripod ligands and their cobalt(II), nickel(II), copper(II) and zinc(II) complexes

被引：4
|
作者：
Lin, HK [1 ]
Wang, X [1 ]
Su, XC [1 ]
Zhu, SR [1 ]
Chen, YT [1 ]
机构：
[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
来源：
TRANSITION METAL CHEMISTRY | 2002年 / 27卷 / 04期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1023/A:1015051002413
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Three novel compounds, based on the 1,3,5-benzene core with C-3-symmetry, have been prepared and characterized by elemental analysis, i.r. and H-1-n.m.r. Thermodynamic properties of the ligands and their Co-II, Ni-II, Cu-II, and Zn-II metal complexes have been investigated and the corresponding stability constants obtained at 25.0 +/- 0.1 degreesC and with I = 0.1 mol dm(-3) in KNO3 by potentiometric titration. A linear free energy relationship exists between the stability constants of complexes and the protonation constants of ligands in the ternary system of the Cu-II-5-substituted phenanthroline-tripod ligand complexes.
引用
收藏
页码：384 / 389
页数：6
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