NHC-mediated enantioselective formal [4 + 2] cycloadditions of alkylarylketenes and β,γ-unsaturated α-ketocarboxylic esters and amides

Stuart M. Leckie, T. Bruce Brown, David Pryde, Tomas Lebl, Alexandra M. Z. Slawin, Andrew D. Smith
  • Organic & Biomolecular Chemistry, January 2013, Royal Society of Chemistry
  • DOI: 10.1039/c3ob40424b