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Article Dans Une Revue Inorganics Année : 2019

Reactive Heterobimetallic Complex Combining Divalent Ytterbium and Dimethyl Nickel Fragments

Ding Wang
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  • PersonId : 1046336
Jules Moutet
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  • PersonId : 1046337
Maxime Tricoire
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Marie Cordier
Grégory Nocton

Résumé

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 1 H 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.
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hal-02113911 , version 1 (29-04-2019)

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Ding Wang, Jules Moutet, Maxime Tricoire, Marie Cordier, Grégory Nocton. Reactive Heterobimetallic Complex Combining Divalent Ytterbium and Dimethyl Nickel Fragments. Inorganics, 2019, 7 (5), pp.58. ⟨10.3390/inorganics7050058⟩. ⟨hal-02113911⟩
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