phosphonium compounds

https://doi.org/10.1351/goldbook.P04562
Salts (and hydroxides) $\ce{[R4P^{+}]X^{−}}$ containing tetracoordinate phosphonium ion and the associated anion.
See: onium compounds
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1358 [Terms] [Paper]
Citation: 'phosphonium compounds' 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.P04562 RIS BibTex EndNote
Div. IIIPDFTextXMLJSON