Ruthenium Complexes Bearing N-Heterocyclic Carbene (NHC) Ligands
Authors: Dragutan, Valerian; Dragutan, Ileana; Demonceau, Albert
Source: Platinum Metals Review, Volume 49, Number 3, July 2005 , pp. 123-137(15)
Publisher: Johnson Matthey
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Abstract:
The vast family of ruthenium complexes with nucleophilic N-heterocyclic carbene (NHC) ligands is selectively discussed as an improved alternative to their parent diphosphane ruthenium counterparts previously applied in olefin metathesis reactions. The survey covers work done to-date on the ruthenium alkylidene, vinylidene, allenylidene and indenylidene complexes bearing imidazolin-2-ylidene and dihydroimidazolin-2-ylidene carbenes, as well as a number of immobilised ruthenium complexes having these types of ligands. Examples of chiral compounds complete the spectrum of NHC ruthenium complexes. Synthetic methods, catalytic properties and application profile in ring-closing metathesis, cross metathesis, ring-opening metathesis and metathesis polymerisation are highlighted.Document Type: Research article
DOI: 10.1595/147106705X54253
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