Relative binding affinities of fluorobenzene ligands in cationic rhodium bisphosphine η6-fluorobenzene complexes probed using collision-induced dissociation

Sebastian D. Pike, Indrek Pernik, Robin Theron, J. Scott McIndoe, Andrew S. Weller

Research output: Contribution to journalArticle

21 Citations (Scopus)
2 Downloads (Pure)

Abstract

A range of cationic rhodium bisphosphine η6-fluorobenzene (fluorobenzenes = C6H6−nFn, n = 1–3) and related complexes have been synthesized and characterized. These complexes act as useful organometallic precursors for catalysis or further synthetic elaboration. The relative binding affinity of the arene ligands has been investigated using Electrospray Ionisation Mass Spectrometry (ESI–MS) and two different collision-induced dissociation (CID) techniques. The influence of arene fluorination upon arene binding affinity is discussed as well as the comparison of different bis–phosphine ligands with regard to bite angle and phosphine substitution. We show that this simple technique allows fast and easy comparison of the binding affinity of arene ligands to cationic organometallic fragments.
Original languageEnglish
Pages (from-to)75-83
Number of pages9
JournalJournal of Organometallic Chemistry
Volume784
DOIs
Publication statusPublished - 15 May 2015
Externally publishedYes

Bibliographical note

Copyright the Author(s) 2014. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • Mass spectrometry
  • Fluorobenzene
  • Arene
  • Rhodium
  • Relative binding affinity

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