aryl cations 

https://doi.org/10.1351/goldbook.A00462
Carbocations formally derived by removal of a hydride ion from a ring carbon atom of an arene. E.g. phenyl cation or phenylium:
See: arenium ions
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1320 [Terms] [Paper]
Citation: 'aryl cations' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.A00462 RIS BibTex EndNote
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Last revised: February 24, 2014