Palladium-Catalyzed Tandem Bond Forming Reaction Leading to Aromatic Ring Through Diene-Yne System

Torii, S.; Okumoto, H.; Nishimura, A. Tetrahedron Lett. 1991, 32, 4167.

A double cyclization involving palladium-catalyzed intramolecular followed by intermolecular carbon-carbon bond formations starting from vinyl bromides with acetylenes produced aromatic compounds through diene-yne system in high yields.