Dr. Massimiliano Aschi, Prof. Dr. Marina Attinà and Prof. Dr. Fulvio Cacace The Crafts–Friedel Reaction: Aromatic Alkylation within the Complex Formed upon Addition of a Gaseous Arenium Ion to an Olefin Angewandte Chemie International Edition in English 34
The roles of electrophile and nucleophile are exchanged with respect to those in conventional Friedel–Crafts reactions (arene plus carbenium ion) in these alkylations in the gas phase; an alternative mechanism has thereby been demonstrated–-an arenium ion reacts with an olefin within the initially formed arenium–olefin complex (see scheme below).
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