Catalysis with Earth-abundant Elements
CHAPTER 9: Recent Aluminium Chemistry – From Al(III) Catalysis to Significant Stoichiometric Al(I) Reactivity
Published:28 Oct 2020
Special Collection: 2020 ebook collectionSeries: Catalysis Series
B. Qin and U. Schneider, in Catalysis with Earth-abundant Elements, ed. U. Schneider and S. Thomas, The Royal Society of Chemistry, 2020, pp. 261-283.
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The use of aluminium(III) and aluminium(I) species in synthetic organic and organometallic chemistry has been reviewed. Aluminium(III) catalysts have been identified as effective π- and σ-Lewis acids. In addition, a substituent and/or (chiral) ligand at the Al(III) center have been demonstrated to enable cooperative (asymmetric) catalysis, following reaction patterns such as insertion/migration, σ-bond metathesis, and formal C–H bond or C–C bond activation. Aluminium(I) compounds have been shown to display their significant potential as a Lewis base, an ambiphilic reagent, or a reductant. Finally (reversible) oxidative addition and reductive elimination processes in the context of C–H bond and C–C bond cleavage have been summarised.