C–H activation route to dibenzo[a,e]pentalenes: annulation of arylacetylenes promoted by PdCl2–AgOTf–o-chloranil

Takehisa Maekawa, Yasutomo Segawa, Kenichiro Itami
  • Chemical Science, January 2013, Royal Society of Chemistry
  • DOI: 10.1039/c3sc50585e