Ruthenium pincer complexes: Ligand design and complex synthesis

Hussein A. Younus, Nazir Ahmad, Wei Su, Francis Walter Cornelius Verpoort

Research output: Contribution to journalReview articlepeer-review

97 Citations (Scopus)


Active transition-metal complexes based on relatively inexpensive metals are considered to be a desirable method for sustainable human industrial growth. Considering their cost efficiency, ruthenium complexes are gaining increasing attraction, instead of palladium, rhodium, and iridium. Among the ruthenium complexes, ruthenium pincer complexes (RPCs) have received much attention due to their outstanding performance. Various strategies have been developed for pincer ligand design and RPC synthesis, which indicate that ligand design is a key feature of pincer chemistry. In addition, electronic and steric effects, hemilability, non-innocent behavior, and the flexibility of the pincer ligand have significant effects on the catalytic performance of RPCs in hydrogenation and dehydrogenation reactions.

Original languageEnglish
Pages (from-to)112-152
Number of pages41
JournalCoordination Chemistry Reviews
Publication statusPublished - 15 Sep 2014
Externally publishedYes


  • CH activation
  • Direct hydrogenation
  • Direct metallation
  • Pincer ligand
  • Ruthenium pincer complex
  • Trans-cyclometallation
  • Trans-metallation
  • Transfer hydrogenation

ASJC Scopus subject areas

  • Chemistry(all)

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