Synthesis and reactivity of 16-electron Pentamethylcyclopentadienyl-Ruthenium(II) complexes with bis(imidazolin-2-imine) ligands

被引：44

作者：

Petrovic, Dejan ^{[1
]}

Gloege, Thomas ^{[1
]}

Bannenberg, Thomas ^{[1
]}

Hrib, Cristian G. ^{[1
]}

Randoll, Soeren ^{[1
]}

Jones, Peter G. ^{[1
]}

Tamm, Matthias ^{[1
]}

机构：

[1] Tech Univ Carolo Wilhelmina, Inst Anorgan & Analyt Chem, D-38106 Braunschweig, Germany

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2007年 / 22期

关键词：

ruthenium; cyclopentadienyl ligands; N ligands; 16-electron complexes; coordinative unsaturation;

D O I：

10.1002/eejic.200700569

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The 1,2-bis(imidazolin-2-in-dno)ethane ligands BVAe and BUIr were prepared, in which the ability of the imidazolium. moiety to effectively stabilize a positive charge leads to highly basic ligands with a strong ele ctron- donating capacity. This feature is illustrated by the isolation of very stable half-sandwich 16-electron ruthenium complexes of the type [(eta(5)-C5Me5)Ru(BLR)I, (1, R = Me; 2, R = iPr), which even resist coordination of the chloride counterion. Their inertness towards hard, it-basic ligands does not prevent these com-plexes from displaying high reactivity towards soft a-donor/ pi-acceptor ligands such as CO and isocyanides, and the complexes [1-CO]CF3SO3 and [1 center dot CNXy]CF3SO3 (XyNC = 2,6-dimethylphenyl isocyanide) can be isolated. These complexes exhibit CO and CN stretching vibrations at 1886 and 1991 cm-1, respectively, which reveals the electron richness and strong pi-electron releasing capability of the rutheniumimine moiety. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007).

引用

页码：3472 / 3475

页数：4

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