Aryldiazonium bis(trifluoromethyl)imides

Aryldiazonium bis(trifluoromethyl)imides, [ArN2][N(CF3)2], are the first examples of diazonium salts with this type of anion. Their syntheses and properties will be presented and compared to aryldiazonium bis(trifluoromethylsulfonyl)imides. [ArN2][N(CF3)2] are less stable diazonium salts in comparison to [ArN2][N(SO2CF3)2] due to the higher nucleophilicity of the [N(CF3)2]− anion.

[ArN2][N(CF3)2] are the first examples of diazonium salts with this type of anion. Their properties will be compared to [ArN2][N(SO2CF3)2].Figure optionsDownload as PowerPoint slideHighlights
► Hitherto unknown [ArN2][N(CF3)2] by reaction of Rb[N(CF3)2] with [ArN2][BF4].
► Isolated [ArN2][N(CF3)2] are intrinsically unstable at room temperature.
► [ArN2][N(CF3)2] salts are less stable in comparison to [ArN2][N(SO2CF3)2].