Simplified and versatile access to low valent Ni complexes by metal-free reduction of NiII precursors

Emile Moser; Erwann Jeanneau; Nicolas Mézailles; Hélène Olivier-Bourbigou; Pierre-Alain R. Breuil

doi:10.1039/C9DT00668K

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Simplified and versatile access to low valent Ni complexes by metal-free reduction of Ni^II precursors†

Emile Moser,^a Erwann Jeanneau,^b Nicolas Mézailles,

*^c Hélène Olivier-Bourbigou^a and Pierre-Alain R. Breuil*^a

Author affiliations

* Corresponding authors

^a IFP Energies nouvelles, Rond-point de l’échangeur de Solaize, BP 3, 69360 Solaize, France
E-mail: pierre-alain.breuil@ifpen.fr

^b Centre de Diffractométrie Henri Longchambon, Site CLEA - Bât. ISA, 3ème étage, 5 rue de La Doua, 69100 Villeurbanne, France

^c Laboratoire Hétérochimie Fondamentale et Appliquée UMR 5069 CNRS, Université Paul Sabatier, 118 Route de Narbonne, 31062 Toulouse, France
E-mail: mezailles@chimie.ups-tlse.fr

Abstract

The reduction of [Ni(DME)Cl₂] with 2 equiv. of bis(trimethylsilyl)-1,4-tetramethyldihydropyrazine in the presence of a ligand L and an excess of olefin cleanly leads to [Ni(L)(alkene)₂] complexes. When reduction is performed in the presence of 1,5-cyclooctadiene (COD), [Ni(COD)₂] is obtained. Such an approach also allows access to the Ni^I dimer [Ni(bis(dicyclohexylphosphino)propane)Cl]₂.

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Article information

DOI: https://doi.org/10.1039/C9DT00668K
Article type: Communication
Submitted: 14 Feb 2019
Accepted: 21 Feb 2019
First published: 21 Feb 2019

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Dalton Trans., 2019,48, 4101-4104

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Simplified and versatile access to low valent Ni complexes by metal-free reduction of Ni^II precursors

E. Moser, E. Jeanneau, N. Mézailles, H. Olivier-Bourbigou and P. R. Breuil, Dalton Trans., 2019, 48, 4101 DOI: 10.1039/C9DT00668K

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Dalton Transactions