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Reactive Heterobimetallic Complex Combining Divalent Ytterbium and Dimethyl Nickel Fragments

LCM, CNRS, Ecole Polytechnique, IP Paris, Route de Saclay, 91128 Palaiseau, France
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Inorganics 2019, 7(5), 58; https://doi.org/10.3390/inorganics7050058
Received: 8 March 2019 / Revised: 29 March 2019 / Accepted: 17 April 2019 / Published: 26 April 2019
(This article belongs to the Special Issue Binuclear Complexes)
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Abstract

This article presented the synthesis and characterization of original heterobimetallic species combining a divalent lanthanide fragment and a divalent nickel center bridged by the bipyrimidine ligand, a redox-active ligand. X-ray crystal structures were obtained for the Ni monomer (bipym)NiMe2, 1, as well as the heterobimetallic dimer compounds, Cp*2Yb(bipym)NiMe2, 2, along with 1H solution NMR, solid-state magnetic data, and DFT calculations only for 1. The reactivity with CO was investigated on both compounds and the stoichiometric acetone formation is discussed based on kinetic and mechanistic studies. The key role of the lanthanide fragment was demonstrated by the relatively slow CO migratory insertion step, which indicated the stability of the intermediate. View Full-Text
Keywords: divalent lanthanides; redox non-innocent ligand; magnetism; CO insertion divalent lanthanides; redox non-innocent ligand; magnetism; CO insertion
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Wang, D.; Moutet, J.; Tricoire, M.; Cordier, M.; Nocton, G. Reactive Heterobimetallic Complex Combining Divalent Ytterbium and Dimethyl Nickel Fragments. Inorganics 2019, 7, 58.

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