An iminium salt or cation in organic chemistry has the general structure [R1R2C=NR3R4]+ and is as such a protonated or substituted imine.[1] It is an intermediate in many organic reactions such as the Beckmann rearrangement, Vilsmeier-Haack reaction, Stephen reaction or the Duff reaction. The use of the alternative names imonium compounds and immonium compounds is discouraged.
Reactions involving iminium salts
Iminylium ions
Iminylium ions have the general structure R2C=N+. They form a subclass of nitrenium ions.[2]
External links
- ^ International Union of Pure and Applied Chemistry. "iminium compounds". Compendium of Chemical Terminology Internet edition.
- ^ International Union of Pure and Applied Chemistry. "iminylium ions". Compendium of Chemical Terminology Internet edition.
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