[(NHC)CoR2]: pre-catalysts for homogeneous olefin and alkyne hydrogenation

Andreea Enachi; Dirk Baabe; Marc-Kevin Zaretzke; Peter Schweyen; Matthias Freytag; Jan Raeder; Marc D. Walter

doi:10.1039/C8CC08891H

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[(NHC)CoR₂]: pre-catalysts for homogeneous olefin and alkyne hydrogenation†

Andreea Enachi,^a Dirk Baabe,^a Marc-Kevin Zaretzke,^a Peter Schweyen,^a Matthias Freytag,^a Jan Raeder^a and Marc D. Walter

*^a

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* Corresponding authors

^a Technische Universität Braunschweig, Institut für Anorganische und Analytische Chemie, Hagenring 30, 38106 Braunschweig, Germany
E-mail: mwalter@tu-bs.de

Abstract

A novel synthesis for dialkyl cobalt compounds [(tmeda)CoR₂] is presented. In these complexes tmeda is readily replaced by an NHC or a bidentate phosphine ligand to form 3- and 4-coordinate compounds, respectively. [(ItBu)Co(CH₂SiMe₃)₂] (ItBu = 1,3-di-tert-butylimidazolin-2-ylidene) serves as an efficient, homogeneous olefin hydrogenation pre-catalyst and allows the preparation of the novel cobalt bis(alkyne) complex [(ItBu)Co(η²-PhCCPh)₂].

This article is part of the themed collection: In celebration of Richard Andersen’s 75th birthday

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Article information

DOI: https://doi.org/10.1039/C8CC08891H
Article type: Communication
Submitted: 07 ⵏⵓⵡ 2018
Accepted: 19 ⵏⵓⵡ 2018
First published: 26 ⵏⵓⵡ 2018

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Chem. Commun., 2018,54, 13798-13801

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[(NHC)CoR₂]: pre-catalysts for homogeneous olefin and alkyne hydrogenation

A. Enachi, D. Baabe, M. Zaretzke, P. Schweyen, M. Freytag, J. Raeder and M. D. Walter, Chem. Commun., 2018, 54, 13798 DOI: 10.1039/C8CC08891H

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