The "non-nucleophilic" anion [Tf2N]- competes with the nucleophilic Br-: an unexpected trapping in the dediazoniation reaction in ionic liquids.
Imidazolium ionic liquids containing [Tf2N]- anion are not as innocent as they are often considered; [Tf2N]- is more reactive than Br- in heterolytic dediazoniation reactions.
Dipartimento di Chimica Bioorganica e Biofarmacia, via Bonanno 33, 56126, Pisa, Italy.
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D001667:Binding, Competitive; D001966:Bromine / Q000737:chemistry*; D007477:Ions; D013449:Sulfonamides / Q000737:chemistry*
D007477:Ions; D013449:Sulfonamides; D001966:Bromine