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  • Title: Olefin metathesis catalyst: stabilization effect of backbone substitutions of N-heterocyclic carbene.
    Author: Chung CK, Grubbs RH.
    Journal: Org Lett; 2008 Jul 03; 10(13):2693-6. PubMed ID: 18510331.
    Abstract:
    Ruthenium olefin metathesis catalysts bearing an N-phenyl-substituted N-heterocyclic carbene (NHC) ligand that are resistant to decomposition through C-H activation have been prepared and tested in ring closing metathesis (RCM), cross metathesis (CM), and ROMP reactions. The N, N'-diphenyl-substituted NHC complex proved to be one of the most efficient catalysts in RCM to form tetrasubstituted olefins.
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