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Article Dans Une Revue Organometallics Année : 2023

Hydrogenation of Carboxylic Esters Catalyzed by Phosphine-Free Bis-N-heterocyclic Carbene Manganese Complexes

Résumé

As an earth-abundant transition metal, manganese is now recognized as a good candidate for the development of catalysts for reduction-type reactions. It is often associated with a noninnocent tridentate ligand, featuring an acidic NH moiety. We report here that a simple bidentate and phosphine-free bis-N-heterocyclic ligand associated with manganese in the complex [Mn(bis-NHCMes)(CO)3Br] could catalyze the hydrogenation of carboxylic esters in the presence of KBHEt3 as an activator at 100–120 °C under 50 bar of H2 at 1 mol % catalyst loading in 2-Me-THF.
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Dates et versions

hal-04174553 , version 1 (01-08-2023)

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Karim Azouzi, Lucie Pedussaut, Romane Pointis, Anna Bonfiglio, Riddhi Kumari Riddhi, et al.. Hydrogenation of Carboxylic Esters Catalyzed by Phosphine-Free Bis-N-heterocyclic Carbene Manganese Complexes. Organometallics, 2023, 42 (14), pp.1832-1838. ⟨10.1021/acs.organomet.3c00137⟩. ⟨hal-04174553⟩
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