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Synthesis and use of trans-dichlorido-tetrakis-(N-R-imidazole)nickel(II) complexes in Kumada-Tamao-Corriu cross-coupling reactions |
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| Authors: | Neslihan ?ahin,Hani El MollDavid Sé meril,Dominique Matt,?smail Ö zdemirCemal Kaya,Loï c Toupet |
| Affiliation: | a Université de Strasbourg, Laboratoire de Chimie Inorganique et Catalyse, UMR 7177 CNRS, 1 Rue Blaise Pascal, 67008 Strasbourg Cedex, France b Department of Chemistry, Faculty of Science and Art, ?nönü University, Malatya, TR 44280, Turkey c Department of Chemistry, Faculty of Science, Cumhuriyet University, Sivas, TR 58140, Turkey d Institut de Physique, UMR 6251 CNRS, Université de Rennes 1, Campus de Beaulieu, 35042-Rennes Cedex, France |
| Abstract: | Two dichlorido-tetrakis-(N-R-imidazole)nickel(II) complexes (R = 2,6-diisopropylphenyl (1); methyl (2)) have been synthesised. A single crystal X-ray diffraction study was carried out for 1, which revealed a centrosymmetric complex with the nickel centre placed in an octahedral coordination environment. Both complexes showed high activities (TOFs up to 60200 mol(ArBr) mol(Ni)−1 h−1) in Kumada-Tamao-Corriu cross-coupling of arylhalides with arylgrignards. No significant differences in activity were observed between the two complexes. |
| Keywords: | Imidazole ligands Nickel Kumada-Tamao-Corriu Cross-coupling |
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