Gold(I)-catalyzed intermolecular [2+2] cycloaddition of alkynes with alkenes.
The gold(I)-catalyzed intermolecular reaction of terminal alkynes with alkenes leads to cyclobutenes. The use of sterically hindered cationic Au(I) complexes as catalysts is key for the success of this reaction.
López-Carrillo
Verónica
V
Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007 Tarragona, Spain.
Echavarren
Antonio M
AM