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|Title:||Synthesis, structural characterization and catalytic activity of a palladium(II) complex bearing a new ditopic thiophene-N-heterocyclic carbene ligand||Authors:||Huynh, H.V.
|Issue Date:||10-Jun-2010||Citation:||Huynh, H.V., Chew, Y.X. (2010-06-10). Synthesis, structural characterization and catalytic activity of a palladium(II) complex bearing a new ditopic thiophene-N-heterocyclic carbene ligand. Inorganica Chimica Acta 363 (9) : 1979-1983. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ica.2009.02.035||Abstract:||A new thiophene-functionalized benzimidazolium salt (2) has been prepared by reacting N-methylbenzimidazole with 2-bromomethylthiophene (1), which in turn was obtained by bromination of 2-thiophenemethanol with PBr3. Subsequent reaction of salt 2 with Pd(OAc)2 afforded the cis-configured bis(carbene) Pd(II) complex (cis-3), which in solution exists as an inseparable mixture of cis-anti and cis-syn-rotamers in a 3.5:1 ratio. All new compounds have been fully characterized by spectroscopic and spectrometric methods. A preliminary catalytic study shows that cis-3 is highly active in the Suzuki-Miyaura coupling of aryl bromides with phenylboronic acid in/on water as environmentally benign reaction media. © 2009 Elsevier B.V. All rights reserved.||Source Title:||Inorganica Chimica Acta||URI:||http://scholarbank.nus.edu.sg/handle/10635/95166||ISSN:||00201693||DOI:||10.1016/j.ica.2009.02.035|
|Appears in Collections:||Staff Publications|
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