Asymmetric intramolecular arylcyanation of unactivated olefins via C-CN bond activation

J Am Chem Soc. 2008 Sep 24;130(38):12594-5. doi: 10.1021/ja805094j. Epub 2008 Aug 30.

Abstract

The enantioselective, intramolecular arylcyanation of unactivated olefins via C-CN bond activation has been accomplished using a Ni(0) catalyst and BPh3 co-catalyst. High enantioselectivities are achieved using TangPHOS as a chiral ligand. This method allows the generation of two new C-C bonds and one new quaternary carbon stereogenic center in a single synthetic step, converting readily available benzonitrile substrates into 1,1-disubstituted indanes in 49-85% yield and 92-97% ee.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Alkenes / chemistry*
  • Catalysis
  • Cyclization
  • Nickel / chemistry
  • Nitriles / chemical synthesis*
  • Nitriles / chemistry*
  • Stereoisomerism

Substances

  • Alkenes
  • Nitriles
  • Nickel
  • benzonitrile