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. 2015 May 15;17(10):2420-3.
doi: 10.1021/acs.orglett.5b00934. Epub 2015 Apr 23.

Copper(I)-Catalyzed Asymmetric Pinacolboryl Addition of N-Boc-imines Using a Chiral Sulfoxide-Phosphine Ligand

Ding Wang  1   2 , Peng Cao  1   2 , Bing Wang  1   2 , Tao Jia  1   2 , Yazhou Lou  1   2 , Min Wang  1   2 , Jian Liao  1   2
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Copper(I)-Catalyzed Asymmetric Pinacolboryl Addition of N-Boc-imines Using a Chiral Sulfoxide-Phosphine Ligand

Ding Wang et al. Org Lett. .

Abstract

Highly efficient and enantioselective copper(I)-catalyzed pinacolboryl addition of N-Boc-imines is reported. By using a single chiral sulfoxide-(dialkyl)phosphine (SOP) ligand, both enantiomeric isomers of α-amino boronic esters were obtained through an achiral counteranion switch.

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