title: Asymmetric Synthesis of 5-Substituted gamma-Lactones and Butenolides via Nucleophilic Additions to Oxycarbenium Ions Derived from 5(R)-(Menthyloxy)-4(R)- (phenylsulfanyl)-2(3H)-dihydrofuranone.
authors.affiliation: Department of Organic and Molecular Inorganic Chemistry, Groningen Center for Catalysis and Synthesis, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
authors.forename: Arjan
authors.initials: A
authors.lastname: van Oeveren
authors.forename: Ben L.
authors.initials: BL
authors.lastname: Feringa