title: Trifluoromethanesulfonic Acid, an Unusually Powerful Catalyst for the Michael Addition Reaction of beta-Ketoesters under Solvent-Free Conditions.
authors.affiliation: Department of Chemistry, Faculty of Science, Kochi University, Akebono-cho, Kochi 780-8520, Japan.
authors.forename: Hiyoshizo
authors.initials: H
authors.lastname: Kotsuki
authors.forename: Koji
authors.initials: K
authors.lastname: Arimura
authors.forename: Takeshi
authors.initials: T
authors.lastname: Ohishi
authors.forename: Ryosuke
authors.initials: R
authors.lastname: Maruzasa