noun
- Plural of phosphonium; organic compounds containing a positively charged phosphorus atom bonded to four carbon groups, used in organic synthesis and catalysis.
Usage: chemistry; technical
Examples
- Phosphoniums are important reagents in organic chemistry for carbon-carbon bond formation.
- The researcher synthesized several phosphoniums to test their reactivity in coupling reactions.
- Phosphoniums serve as useful intermediates in the Wittig reaction and related transformations.
- The stability of phosphoniums makes them valuable in laboratory synthesis.