17435-23-3Relevant articles and documents
Synthesis of fluorenes via the palladium-catalyzed 5-exo-dig annulation of o-alkynylbiaryls
Chernyak, Natalia,Gevorgyan, Vladimir
experimental part, p. 1101 - 1114 (2009/12/07)
The direct palladium-catalyzed intramolecular hydro arylation of o-alkynylbiaryls proceeded in a highly stereoselective manner producing fluorenes 2, the products of 5-exo-dig cyclization, in excellent yields. The cascade intermolecular arylation, incorpo