Catalytic hydrogenation of alkenes by the ruthenium-carbene complex HRu(CO)Cl(PCy3)(IMes) (IMes = bis(1,3-(2,4,6-trimethylphenyl)imidazol-2-ylidene)

H M Lee, D C Smith, Z J He, E D Stevens, C S Yi, Steven Patrick Nolan

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122 Citations (Scopus)

Abstract

Using an exchange reaction involving one PCy3 ligand in HRu(CO)CL(PCy3)(2) (1) for one IMes, a ruthenium-hydride complex HRu(CO)Cl(PCy3)(IMes) (2) has been, prepared. Complex: 2 is an active catalyst in the hydrogenation of alkenes. A TON of 24 000 h(-1) has been obtained at 100 degreesC under 4 atm of hydrogen. Addition of HBF4. OEt2 as cocatalyst enhanced the catalytic activity.

Original languageEnglish
Pages (from-to)794-797
Number of pages4
JournalOrganometallics
Volume20
Issue number4
DOIs
Publication statusPublished - 19 Feb 2001

Keywords

  • PALLADIUM/IMIDAZOLIUM CHLORIDE SYSTEM
  • CROSS-COUPLING REACTIONS
  • N-HETEROCYCLIC CARBENES
  • ARYL CHLORIDES
  • METATHESIS CATALYSTS

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