Nickel(II) complexes with bifunctional phosphine–imidazolium ligands and their catalytic activity in the Kumada–Corriu coupling reaction - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Organometallic Chemistry Année : 2006

Nickel(II) complexes with bifunctional phosphine–imidazolium ligands and their catalytic activity in the Kumada–Corriu coupling reaction

Agnès Labande
Jean-Claude Daran
  • Fonction : Auteur
  • PersonId : 1094243
Rinaldo Poli

Résumé

Zwitterionic Ni(II) complexes of type NiX3(NCN+), (NCN+ = 1-(2-diphenylphosphinoethyl)-3-(2,4,6-trimethylphenyl)imidazolium and X = Cl, 6; Br, 7), have been prepared by addition of NCN+ bromide (1a) or tetrafluoroborate (1b) to NiX2L, and characterised by X-ray crystallography. They have been used as catalytic precursors in the Kumada–Corriu coupling reaction between phenylmagnesium chloride and 4-chloroanisole, yielding high catalytic activities. Stoechiometric deprotonation investigations did not provide clear evidence for the formation of coordinated carbene species.
Fichier principal
Vignette du fichier
213-10.1016-j.jorganchem.2005.09.010-Accepted.pdf (809.63 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-03196174 , version 1 (12-04-2021)

Identifiants

Citer

Joffrey Wolf, Agnès Labande, Jean-Claude Daran, Rinaldo Poli. Nickel(II) complexes with bifunctional phosphine–imidazolium ligands and their catalytic activity in the Kumada–Corriu coupling reaction. Journal of Organometallic Chemistry, 2006, 691 (3), pp.433-443. ⟨10.1016/j.jorganchem.2005.09.010⟩. ⟨hal-03196174⟩
22 Consultations
143 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More