The traditional generic name for those @C01502@ that are spiro-annulated with a cyclopropane unit. Phenonium ions constitute a subclass of @A00436@.
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1357 [Terms] [Paper]
Citation: 'phenonium ions' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.P04541 RISBibTexEndNote