Efficient direct asymmetric vinylogous Michael addition reactions of γ-butenolides to chalcones catalyzed by vicinal primary-diamine salts

Junfeng Wang, Chao Qi, Zemei Ge, Tieming Cheng, Runtao Li
  • Chemical Communications, January 2010, Royal Society of Chemistry
  • DOI: 10.1039/b923925a