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Article Dans Une Revue Catalysis Communications Année : 2018

Practical (asymmetric) transfer hydrogenation of ketones catalyzed by manganese with (chiral) diamines ligands

Résumé

The reduction of ketones with 2-propanol as reductant was achieved using an in-situ generated catalytic system based on manganese pentacarbonyl bromide, as metal precursor, and ethylenediamine as ligand. The reaction proceeds in high yield at 80 °C, in 3 h, with 0.5 mol% of catalyst. In the presence of chiral (1R,2R)-N,N′-dimethyl-1,2-diphenylethane-1,2-diamine, as the ligand, sterically hindered alcohols were produced with enantiomeric excess up to 90%.
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Dates et versions

hal-01671636 , version 1 (16-03-2018)

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D. Wang, Antoine Bruneau-Voisine, Jean-Baptiste Sortais. Practical (asymmetric) transfer hydrogenation of ketones catalyzed by manganese with (chiral) diamines ligands. Catalysis Communications, 2018, 105, pp.31-36. ⟨10.1016/j.catcom.2017.10.028⟩. ⟨hal-01671636⟩
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