Redox active alkenyl-bridged bi- and trinuclear arene-Cr(CO)3-complexes by Horner-Emmons-Wadsworth olefinations

被引：37

作者：

Müller, TJJ ^{[1
]}

机构：

[1] Univ Munich, Inst Organ Chem, D-80333 Munich, Germany

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1999年 / 578卷 / 1-2期

关键词：

alkenes; arene complexes; chromium; cyclic voltammetry; ferrocene; iron;

D O I：

10.1016/S0022-328X(98)01111-5

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Alkenyl-bridged arene-Cr(CO)(3)-complexes 2 are readily synthesized in good yields by Horner-Emmons-Wadsworth (HEW) olefinations from Cr(CO)(3)-complexed benzylphosphonates 1 and organometallic aldehydes. The resulting bi- and trinuclear homo- and heterometallic complexes display a strong electronic coupling between the metal fragments as shown by a strong correlation of the CO resonances in the carbon NMR spectra and the chromiumcarbonyl metal-ligand charge transfer (MLCT) bands in the UV/vis spectra. Furthermore, the electrochemistry of the oligonuclear complexes 2 was investigated by cyclic voltammetry. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：95 / 102

页数：8

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