Bimetallic Cu(I) complex with a pyridine-bridged bis(1,2,3-triazole-5-ylidene) ligand

A dinuclear copper(i) complex bearing a mesoionic carbene ligand has been prepared from the corresponding silver analogue and its structure determined spectroscopically. The results revealed that two Cu(i) halide salt molecules were bound to the carbon atoms of the pyridine-bridged bis(triazolyliden...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 45; no. 13; pp. 5713 - 5719
Main Authors Iwasaki, Haruka, Teshima, Yuta, Yamada, Yuji, Ishikawa, Ryuta, Koga, Yuji, Matsubara, Kouki
Format Journal Article
LanguageEnglish
Published England 01.01.2016
Subjects
BIMETALS
Carbon
CATALYSTS
Derivatives
ESTERS
LIGANDS
Pyridines
Silver
Styrenes
TRIAZOLE
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Summary:A dinuclear copper(i) complex bearing a mesoionic carbene ligand has been prepared from the corresponding silver analogue and its structure determined spectroscopically. The results revealed that two Cu(i) halide salt molecules were bound to the carbon atoms of the pyridine-bridged bis(triazolylidene) moieties rather than the pyridine. Cyclic voltammogram measurements revealed that the two Cu(i) centres underwent a stepwise oxidation, suggesting that both the triazolylidene rings of the ligand could be on the same expanded π-conjugated system. The catalytic hydroboration of styrene derivatives with bis(pinacolato)diborane in the presence of this complex allowed for the β-selective formation of the corresponding alkylboronate esters.
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ISSN:1477-9226
1477-9234
DOI:10.1039/c6dt00008h