Unprecedented intramolecular [3 + 2] cycloadditions of azido-ketenimines and azido-carbodiimides. Synthesis of indolo[1,2-a]quinazolines and tetrazolo[5,1-b]quinazolines

Mateo Alajarin, Baltasar Bonillo, Maria-Mar Ortin, Raul-Angel Orenes, Angel Vidal
  • Organic & Biomolecular Chemistry, January 2011, Royal Society of Chemistry
  • DOI: 10.1039/c1ob05745f