Asymmetric β-Boration of α,β-Unsaturated Esters with Chiral (NHC)Cu Catalysts

Asymmetric β-Boration of α,β-Unsaturated Esters with Chiral (NHC)Cu Catalysts

Copper complexes containing chiral N-heterocyclic carbene ligands catalyze the regioselective nucleophilic boryl attack at the β-carbon of α,β-unsaturated esters with enantioselectivities up to 74% ee, depending on the nature of the ester group.

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Veröffentlicht in:Organometallics 2009-01, Vol.28 (2), p.659-662
Hauptverfasser: Lillo, Vanesa, Prieto, Auxiliadora, Bonet, Amadeu, Díaz-Requejo, M. Mar, Ramírez, Jesús, Pérez, Pedro J, Fernández, Elena
Format: Artikel
Sprache:eng
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Zusammenfassung:Copper complexes containing chiral N-heterocyclic carbene ligands catalyze the regioselective nucleophilic boryl attack at the β-carbon of α,β-unsaturated esters with enantioselectivities up to 74% ee, depending on the nature of the ester group.
ISSN:0276-7333
1520-6041
DOI:10.1021/om800946k