Chiral ionic Brønsted acid–achiral Brønsted base synergistic catalysis for asymmetric sulfa-Michael addition to nitroolefins

Daisuke Uraguchi, Natsuko Kinoshita, Daisuke Nakashima, Takashi Ooi
  • Chemical Science, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c2sc20698f