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|Title: ||1,2,4-Triazole-Based N-Heterocyclic Carbene Nickel Complexes - Synthesis and Catalytic Application|
|Authors: ||BHEETER, LP|
|Keywords: ||CROSS-COUPLING REACTIONS|
ALKOXY DIBORON REAGENTS
|Issue Date: ||2015|
|Publisher: ||WILEY-V C H VERLAG GMBH|
|Citation: ||EUROPEAN JOURNAL OF INORGANIC CHEMISTRY(31)5226-5231|
|Abstract: ||Four nickel complexes bearing 1,2,4-triazole-based N-heterocyclic carbene backbones and a cyclopentadienyl ligand were prepared from the corresponding 1,2,4-triazolium salts and nickelocene in tetrahydrofuran (THF) under reflux. The obtained complexes were fully characterized, including by X-ray diffraction analysis. They were then used as catalysts (5 mol-%) for the borylation of aryl bromide derivatives with bis(pinacolato)diboron in the presence of Cs2CO3 as the base in THF at 70 degrees C for 20 h to form the corresponding borylated products in moderate yields.|
|Appears in Collections:||Article|
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