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https://doi.org/10.1016/j.ica.2009.02.035
| 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. Chew, Y.X. |
Keywords: | Homogeneous catalysis N-Heterocyclic carbenes Palladium Suzuki-Miyaura reaction Thiophene |
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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