Linker Free, Silica Bound Olefin Metathesis Catalysts: Applications in Heterogeneous Catalysis
Document Type
Article
Publication Date
2012
Publication Title
Chemistry - A European Journal 2012
DOI
10.1002/chem.201202248
ISSN
1521-3765
Abstract
A set of heterogenized olefin-metathesis catalysts, which consisted of Ru complexes with the H2ITap ligand (1,3-bis(2′,6′-dimethyl-4′dimethyl aminophenyl)-4,5-dihydroimidazol-2-ylidene) that had been adsorbed onto a silica support, has been prepared. These complexes showed strong binding to the solid support without the need for tethering groups on the complex or functionalized silica. The catalysts were tested in the ring-opening–ring-closing-metathesis (RO-RCM) of cyclooctene (COE) and the self-metathesis of methyl oleate under continuous-flow conditions. The best complexes showed a TON>4000, which surpasses the previously reported materials that were either based on the Grubbs–Hoveyda II complex on silica or on the classical heterogeneous Re2O7/B2O3 catalyst.
Recommended Citation
Cabrera, Jose, Robin Padilla, Miriam Bru, Ronald Linder, Takeharu Kageyama, Kristina Wilckens, Shawna L. Balof, Hans-Joerg Schanz, Richard Dehn, Henrique J. Teles, Stephan Deuerlein, Kevin Muller, Frank Rominger, Michael Limbach.
2012.
"Linker Free, Silica Bound Olefin Metathesis Catalysts: Applications in Heterogeneous Catalysis."
Chemistry - A European Journal 2012, 18 (46): 14717-14724: Wiley.
doi: 10.1002/chem.201202248 source: https://onlinelibrary.wiley.com/doi/full/10.1002/chem.201202248
https://digitalcommons.georgiasouthern.edu/chem-facpubs/29
