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

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

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.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Boronic Acids / chemical synthesis*
  • Boronic Acids / chemistry
  • Catalysis
  • Copper / chemistry*
  • Imines / chemistry*
  • Ligands
  • Molecular Structure
  • Organometallic Compounds / chemistry*
  • Phosphines / chemistry*
  • Sulfoxides / chemistry*

Substances

  • Boronic Acids
  • Imines
  • Ligands
  • Organometallic Compounds
  • Phosphines
  • Sulfoxides
  • Copper
  • phosphine