Effect of Ligand Bulk in Ruthenium-Catalyzed Olefin Metathesis: IPr* vs IPr

Simone Manzini, César Alejandro Urbina Blanco, Alexandra Martha Zoya Slawin, Steven Patrick Nolan

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)

Abstract

Novel ruthenium catalysts, [RuCl2(IPr*)(PPh3)(3-phenylindenylidene)]
(1) and [RuCl2
(IPr*)(Py)(3-phenylindenylidene)]
(2), bearing the very bulky ligand IPr* are reported. The complexes
were tested in ring closing and cross-metathesis, and their activities were
compared to that displayed by [RuCl2(IPr)(PPh3)(3-phenylindenylidene)]
(3) and the new [RuCl2(IPr)(Py)(3-phenylindenylidene)] (4),
in order to assess how the steric hindrance of the N-heterocyclic carbene
influences the catalytic activity of the resulting ruthenium complexes
Original languageEnglish
Pages (from-to)6514-6517
Number of pages4
JournalOrganometallics
Volume31
Issue number18
Early online date31 Aug 2012
DOIs
Publication statusPublished - Sept 2012

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