title: pKa values of chiral Brønsted acid catalysts: phosphoric acids/amides, sulfonyl/sulfuryl imides, and perfluorinated TADDOLs (TEFDDOLs).
authors.affiliation: Department of Chemistry, University of Cologne, Greinstrasse 4, 50939 Cologne, Germany.
authors.forename: Philipp
authors.initials: P
authors.lastname: Christ
authors.forename: Anita G
authors.initials: AG
authors.lastname: Lindsay
authors.forename: Sonja S
authors.initials: SS
authors.lastname: Vormittag
authors.forename: Jörg-M
authors.initials: JM
authors.lastname: Neudörfl
authors.forename: Albrecht
authors.initials: A
authors.lastname: Berkessel
authors.forename: AnnMarie C
authors.initials: AC
authors.lastname: O'Donoghue