Backbone tuning in indenylidene-ruthenium complexes bearing an unsaturated N-heterocyclic carbene
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The steric and electronic influence of backbone substitution in IMes-based (IMes = 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene) N-heterocyclic carbenes (NHC) was probed by synthesizing the [RhCl(CO)(2)(NHC)] series of complexes to quantify experimentally the Tolman electronic parameter (electronic) and the percent buried volume (%V-bur, steric) parameters. The corresponding ruthenium-indenylidene complexes were also synthesized and tested in benchmark metathesis transformations to establish possible correlations between reactivity and NHC electronic and steric parameters.
Urbina-Blanco , C A , Bantreil , X , Clavier , H , Slawin , A M Z & Nolan , S P 2010 , ' Backbone tuning in indenylidene-ruthenium complexes bearing an unsaturated N-heterocyclic carbene ' Beilstein Journal of Organic Chemistry , vol. 6 , pp. 1120-1126 . DOI: 10.3762/bjoc.6.128
Beilstein Journal of Organic Chemistry
© 2010 Urbina-Blanco et al; licensee Beilstein-Institut. This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: (http://www.beilstein-journals.org/bjoc)
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