Reversible Insertion of a C = C Bond into Magnesium(I) Dimers: Generation of Highly Active 1,2-Dimagnesioethane Compounds - INSA Toulouse - Institut National des Sciences Appliquées de Toulouse Access content directly
Journal Articles Journal of the American Chemical Society Year : 2017

Reversible Insertion of a C = C Bond into Magnesium(I) Dimers: Generation of Highly Active 1,2-Dimagnesioethane Compounds

Abstract

The insertion of 1,1-diphenylethylene into the Mg-Mg bond of two magnesium(I) dimers, [((Ar)Nacnac)Mg-](2) (Ar = C6H2Me3-2,4,6 (Mes); C6H3Et2-2,6 (Dep)), yielding 1,2-dimagnesioethane products, [\((Ar)Nacnac)Mg\(2)(mu-CH2CPh2)], is described. These reactions are readily reversible at room temperature and thus represent the first examples of room-temperature reversible redox processes for s-block metal complexes. The 1,2-dimagnesioethane products are highly activated magnesium alkyls and Show unprecedented, uncatalyted reactivity toward H-2, CO, and ethylene. Computational studies have investigated the mechanisms of all presented reaction types.

Dates and versions

hal-01961149 , version 1 (19-12-2018)

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Aaron J. Boutland, Ashlea Carroll, Carlos A. Lamsfus, Andreas Stasch, Laurent Maron, et al.. Reversible Insertion of a C = C Bond into Magnesium(I) Dimers: Generation of Highly Active 1,2-Dimagnesioethane Compounds. Journal of the American Chemical Society, 2017, 139 (50), pp.18190-18193. ⟨10.1021/jacs.7b11368⟩. ⟨hal-01961149⟩
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