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Asymmetric synthesis with N-heterocyclic carbenes. Application to the copper catalyzed conjugate addition

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Pytkowicz, Julien
Roland, Sylvain
Mangeney, Pierre
Published in Advanced Synthesis and Catalysis. 2003, vol. 345, no. 3, p. 345-348
Abstract Chiral N-heterocyclic carbenes are good ligands for the copper-catalyzed conjugate addition of dialkylzinc reagents to various Michael acceptors. With as little as 4% of chiral ligand, the enantioselectivity may reach 93% on cycloheptenone.
Keywords AsymmetryConjugate additionCopperDialkylzincN-heterocyclic carbenesMichael acceptors
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ALEXAKIS, Alexandre et al. Asymmetric synthesis with N-heterocyclic carbenes. Application to the copper catalyzed conjugate addition. In: Advanced Synthesis and Catalysis, 2003, vol. 345, n° 3, p. 345-348. https://archive-ouverte.unige.ch/unige:8214

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Deposited on : 2010-06-21

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