title: Gold(I)-catalyzed intermolecular [2+2] cycloaddition of alkynes with alkenes.
abstract: 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.
authors.affiliation: Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007 Tarragona, Spain.
authors.forename: Verónica
authors.initials: V
authors.lastname: López-Carrillo
authors.forename: Antonio M
authors.initials: AM
authors.lastname: Echavarren