Z-H Bond Activation in (Di)hydrogen Bonding as a Way to Proton/Hydride Transfer and H2 Evolution

Chemistry : a European Journal
Natalia V BelkovaElena S Shubina

Abstract

The ability of neutral transition-metal hydrides to serve as a source of hydride ion H- or proton H+ is well appreciated. The hydride ligands possessing a partly negative charge are proton accepting sites, forming a dihydrogen bond, M-Hδ- ⋅⋅⋅δ+ HX (M=transition metal or metalloid). On the other hand, some metal hydrides are able to serve as a proton source and give hydrogen bond of M-Hδ+ ⋅⋅⋅X type (X=organic base). In this paper we analyse recent works on transition-metal and boron hydrides showing i) how formation of an intermolecular complex between the reactants changes the Z-H (M-H and X-H) bond polarity and ii) what is the implication of such activation in the mechanisms of hydrides reactions.

References

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Citations

Aug 17, 2018·Chemistry, an Asian Journal·Evgenia D VoronovaElena S Shubina
Aug 18, 2020·Inorganic Chemistry·Evgenia D VoronovaElena S Shubina

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