ChemInform Abstract: Novel Biphenol Phosphoramidite Ligands for the Enantioselective Copper-Catalyzed Conjugated Addition of Dialkyl Zincs.

Alexandre Alexakis,Stephane Rosset,Janik Allamand,Sebastien March,Frederic Guillen,Cyril Benhaim

Cheminform（2010）

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摘要

Phosphoramidite ligands, based on a chiral amine and atropoisomerically flexible biphenols, induce high enantioselectivities (ee's up to 98%) in the copper-catalyzed conjugate addition of dialkyl zinc reagents to a variety of Michael acceptors.

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关键词

addition reactions,copper,zinc

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