Nickel(II) and Iron(II) Complexes with Tetradentate NHC/Amide Hybrid Ligands

被引：11

作者：

Klawitter, Iris ^{[1
]}

Meyer, Steffen ^{[1
]}

Demeshko, Serhiy ^{[1
]}

Meyer, Franc ^{[1
]}

机构：

[1] Univ Gottingen, Inst Anorgan Chem, D-37077 Gottingen, Germany

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 2013年 / 68卷 / 5-6期

关键词：

Nickel; Iron; N-Heterocyclic Carbene; Chelate Ligand; X-Ray Crystallography; MoBbauer Spectroscopy; Redox Properties; HETEROCYCLIC CARBENE COMPLEXES; REDOX POTENTIALS; CATALYSTS; CHEMISTRY; PALLADIUM;

D O I：

10.5560/ZNB.2013-3091

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two methylene-bridged bis(imidazolium) salts [H4L1](PF6)(2) and [H4L2](PF6)(2) with appended amide groups have been synthesized which, after deprotonation, may serve as potentially tetradentate ligands providing two bis(imidazole-2-ylidene) and two amide donors. Using [H4L1](PF6)(2), a square-planar nickel(II) complex [NiL1] and a six-coordinate bis(ligand) iron(II) complex [Fe(HL1)(2)] have been isolated and structurally characterized. Their low-spin states have been confirmed spectroscopically, and their redox properties have been studied by cyclic voltammetry. Oxidations are metal-centered to give Ni-III and Fe-III species, respectively.

引用

页码：458 / 466

页数：9

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