title: Bis(amino)cyclopropenylidenes as organocatalysts for acyl anion and extended umpolung reactions.
authors.affiliation: Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, SK S7N 5C9 (Canada) http://www.usask.ca/chemistry/groups/gravel/
authors.forename: Myron M D
authors.initials: MM
authors.lastname: Wilde
authors.forename: Michel
authors.initials: M
authors.lastname: Gravel
keywords: Stetter reaction; carbenes; cyclopropenylidenes; organocatalysis; umpolung