[1]Yoshida,Hiroto;Watanabe,Masahiko;Ohshita,Joji;Kunai,Atsutaka[ChemistryLetters,2005,vol.34,#11,p.1538-1539]
Title: Palladium-catalyzed [2 + 2 + 2] cocyclotrimerization of benzynes with bicyclic alkenes: an efficient route to anellated 9,10-dihydrophenanthrene derivatives and polyaromatic compounds.
Journal: The Journal of organic chemistry 20041126