Synthesis and characterization of ruthenium(II) azoimine-diphosphine mixed-ligand complexes

被引：12

作者：

Al-Noaimi, Mousa ^{[1
]}

El-Barghouthi, Musa I. ^{[1
]}

El-Khateeb, Mohammad ^{[2
]}

Abdel-Rahman, Obada S. ^{[1
]}

Goerls, Helmar ^{[3
]}

Crutchley, Robert J. ^{[4
]}

机构：

[1] Hashemite Univ, Fac Sci, Dept Chem, Zarqa, Jordan

[2] Jordan Univ Sci & Technol, Dept Chem, Irbid 22110, Jordan

[3] Univ Jena, Inst Anorgan & Analyt Chem, D-07743 Jena, Germany

[4] Carleton Univ, Dept Chem, Ottawa, ON K1S 5B6, Canada

来源：

POLYHEDRON | 2008年 / 27卷 / 12期

关键词：

ruthenium; complexes; azomethine; X-ray structures; electrochemistry; spectroelectrochemistry;

D O I：

10.1016/j.poly.2008.05.026

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel family of the general type cis-[Ru-II(dppe)LCl2] {L=C6H5N=NC(COCH3)=NAr, Ar= 2,4,6-trimethylphenyl(L-1), 2,5-dimethylphenyl(L-2), 4-toly(L-3), phenyl(L-4), 4-methoxyphenyl(L-5), 4-chlorophenyl(L-6), 4-nitrophenyl (L-7), 2,5-dichlorophenyl (L-8); dppe=Ph2P(CH2)(2)PPh2} has been synthesized. These complexes have been characterized through analytical, spectroscopic (IR, UV-Vis, and NMR) and electrochemical (cyclic voltammetry) techniques. In addition, complex 4 (where L = L-4) has been further characterized by X-ray diffraction analysis. Crystallographic, electrochemical and electronic spectral data are all consistent with the azomethine ligands possessing strong pi-acceptor properties. These pi-acceptor properties can be "tuned" by a judicious choice of substituent on the azomethine ligand. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：2698 / 2704

页数：7

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