Total synthesis of (−)-20-epiuleinevia stereocontrolled one-pot asymmetric azaelectrocyclization followed by novel 1,4-addition reaction

Taku Sakaguchi, Shohei Kobayashi, Shigeo Katsumura
  • Organic & Biomolecular Chemistry, January 2011, Royal Society of Chemistry
  • DOI: 10.1039/c0ob00627k