Percent buried volume for phosphine and N-heterocyclic carbene ligands: steric properties in organometallic chemistry

Herve Clavier, Steven Patrick Nolan

Research output: Contribution to journalReview articlepeer-review

648 Citations (Scopus)

Abstract

Electronic and steric ligand effects both play major roles in organometallic chemistry and consequently in metal-mediated catalysis. Quantifying such parameters is of interest to better understand not only the parameters governing catalyst performance but also reaction mechanisms. Nowadays, ligand molecular architectures are becoming significantly more elaborate and existing models describing ligand sterics prove lacking. This review presents the development of a more general method to determine the steric parameter of organometallic ligands. Two case studies are presented: the tertiary phosphines and the N-heterocyclic carbenes.

Original languageEnglish
Pages (from-to)841-861
Number of pages21
JournalChemical Communications
Volume46
Issue number6
DOIs
Publication statusPublished - 2010

Keywords

  • TRANSITION-METAL-COMPLEXES
  • X-RAY STRUCTURES
  • CROSS-COUPLING REACTIONS
  • OLEFIN METATHESIS CATALYSTS
  • NHC PALLADIUM COMPLEXES
  • LEWIS-BASE ADDUCTS
  • RUCL CP-ASTERISK
  • GOLD(I) COMPLEXES
  • CRYSTAL-STRUCTURES
  • MOLECULAR-STRUCTURE

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