title: Toward phenanthridin-2-ylidene: electrophilicity versus acidity in planar-constrained C-aryl iminium salts.
abstract: -A phenanthridinium salt was prepared in four steps, including an intramolecular CH-arylation and a hydride abstraction reaction. Treatment with sterically demanding bases does not lead to the corresponding carbene, but rather to addition products: the planar-constrained geometry significantly enhances the electrophilicity over the acidity of C-aryl iminium salts.
authors.affiliation: Laboratoire Hétérochimie Fondamentale et Appliquée du CNRS (UMR 5069), Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse Cedex 9, France.
authors.forename: Xavier
authors.initials: X
authors.lastname: Cattoën
authors.forename: Didier
authors.initials: D
authors.lastname: Bourissou
authors.forename: Guy
authors.initials: G
authors.lastname: Bertrand
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