Copper-catalyzed desymmetric intramolecular Ullmann C-N coupling: an enantioselective preparation of indolines

J Am Chem Soc. 2012 Sep 5;134(35):14326-9. doi: 10.1021/ja306631z. Epub 2012 Aug 24.

Abstract

The first highly enantioselective copper-catalyzed intramolecular Ullmann C-N coupling reaction has been developed. The asymmetric desymmetrization of 1,3-bis(2-iodoaryl)propan-2-amines catalyzed by CuI/(R)-BINOL-derived ligands led to the enantioselective formation of indolines in high yields and excellent enantiomeric excesses. This method was also applied to the formation of 1,2,3,4-tetrahydroquinolines in high yields and excellent enantioselectivity.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Carbon / chemistry*
  • Catalysis
  • Copper / chemistry*
  • Indoles / chemistry*
  • Nitrogen / chemistry*
  • Stereoisomerism
  • Substrate Specificity

Substances

  • Indoles
  • indoline
  • Carbon
  • Copper
  • Nitrogen