Introduction of a carbon–carbon bond into electron-deficient aromatic compounds

Methods for introducing a new carbon–carbon bond into aromatic compounds containing such electron-accepting groups as NO₂, SO₂CF₃, or oxazoline and into perfluoroarenes are discussed in the review. These methods comprise S_NAr reactions, oxidation of anionic σ-complexes, isolated previously or obtained in situ, and vicarious nucleophilic substitution reactions.
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