Advanced Fine-Tuning of Grubbs/Hoveyda Olefin Metathesis Catalysts: A Further Step toward an Optimum Balance between Antinomic Properties
Michał Bieniek, Robert Bujok, Maciej Cabaj, NoŽl Lugan, Guy Lavigne, Dieter Arlt and Karol Grela*
*Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland, Faculty of Chemistry, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland, Email: grelaicho.edu.pl
M. Bieniek, R. Bujok, M. Cabaj, N. Lugan, G. Lavigne, D. Arlt, K. Grela, J. Am. Chem. Soc., 2006, 128, 13652-13653.
DOI: 10.1021/ja063186w (free Supporting Information)
Two new enhanced versions of the Hoveyda catalyst, in which an ester function acts as a weakly coordinating ligand and allows to reach a desirable balance between antinomic properties such as the catalyst's stability, activity, and a high initiation rate, are readily available from Grubbs second generation precatalyst.
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K. Grela, M. Kim, Eur. J. Org. Chem., 2003, 963-966.