title: Metal-free oxidative cyclization of alkynyl aryl ethers to benzofuranones.
authors.affiliation: Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg (Germany), Fax: (+49) 6221-54-4205 http://www.hashmi.de.
authors.forename: Katharina
authors.initials: K
authors.lastname: Graf
authors.forename: Carmen L
authors.initials: CL
authors.lastname: Rühl
authors.forename: Matthias
authors.initials: M
authors.lastname: Rudolph
authors.forename: Frank
authors.initials: F
authors.lastname: Rominger
authors.forename: A Stephen K
authors.initials: AS
authors.lastname: Hashmi
keywords: Brønsted acids; alkynes; benzofuranones; gold; oxidation