Synthesis and characterization of axial coordination cobalt(III) complexes containing chiral Salen ligands

被引：114
|
作者：
Zhang, YL [1 ]
Ruan, WJ [1 ]
Zhao, XJ [1 ]
Wang, HG [1 ]
Zhu, ZA [1 ]
机构：
[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
来源：
POLYHEDRON | 2003年 / 22卷 / 12期
关键词：
Salen ligands; axial coordination cobalt(III) complexes; circular dichroism spectra (CD); X-ray structures;
D O I：
10.1016/S0277-5387(03)00261-4
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Cobalt(III) complexes containing both optically active tetradentate Schiff base ligands, (SB = Salen, MeOSalen, t-Bu-Salen) with axial ligands (L) [Co(SB)L-2]ClO4 (L = imidazole (Im), 2-methylimidazole (2-MeIm), 1-methylimidazole (MeIm)) have been prepared and characterized. In addition, the crystal structures of [Co(Salen)(Melm)(2)]ClO4 (1c), [Co(MeOSalen)(MeIm)(2)]ClO4 (2c), and [Co(t-Bu-Salen)(MeIm)(2)]ClO4 (3c) have been determined by X-ray structure analysis. The properties of these hexacoordinate complexes, such as electronic absorption, circular dichroism spectra, and H-1 NMR spectra, have been studied. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1535 / 1545
页数：11
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