Theoretical insights into the metal-free and formal [2 + 2 + 2] cycloaddition strategy via intramolecular cascade propargylic ene/Diels–Alder reactions with tautomerization

Xinyao Li, Jiaxi Xu
  • Organic & Biomolecular Chemistry, January 2011, Royal Society of Chemistry
  • DOI: 10.1039/c1ob05254c