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American Chemical Society, Organometallics, 18(31), p. 6514-6517, 2012

DOI: 10.1021/om300719t

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

Journal article published in 2012 by Simone Manzini, César Alejandro Urbina Blanco, Cesar A. Urbina Blanco, Alexandra Mz Z. Slawin ORCID, Steven P. Nolan ORCID
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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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.