Highly enantioselective Friedel–Crafts alkylation of indoles and pyrrole with β,γ-unsaturated α-ketoesters catalyzed by heteroarylidene-tethered bis(oxazoline) copper complexes

Lei Liu, Hongli Ma, Yumei Xiao, Fengpei Du, Zhaohai Qin, Nan Li, Bin Fu
  • Chemical Communications, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c2cc34803a