Synthesis of a homochiral carboxylate-containing tetradentate ligand and its Co(III) complex

被引：4

作者：

Lee, Seok Jong ^{[1
]}

Sung, Hye Ran ^{[1
]}

Son, Jeong-Ho ^{[1
]}

Ramesh, Rengan ^{[1
]}

Ahn, Kyo Han ^{[1
]}

机构：

[1] POSTECH, Dept Chem, Pohang 790784, South Korea

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2006年 / 9卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

N3O-chelate; tetradentate ligand; Co(III) complex; X-ray diffraction;

D O I：

10.1016/j.inoche.2006.02.023

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new class of easily tunable, homochiral tetradentate ligand, (R,R)-[(N-benzyl-N-[2-[N-benzyl-N-(pyridine-2-yl)methyl]amino}-cyclohexyl)amino]acetic acid (2), has been synthesized and characterized by NMR spectroscopy. The synthesis involves highly selective N-alkylation of the 1,2-diamine via an imidazolidine intermediate, giving up to 78% overall yield. The corresponding Co(III) complex of general composition [Co(2a)(NO2)(2)] has been synthesized and the major stereoisomer has been characterized by X-ray crystallography. Molecular calculation at PM3 level indicates that the major isomer is cis-beta-Delta-syn isomer. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：518 / 521

页数：4

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