Browsing Bergen Open Research Archive by Author "Nascimento, Daniel L."
Now showing items 1-4 of 4
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Bimolecular Coupling in Olefin Metathesis: Correlating Structure and Decomposition for Leading and Emerging Ruthenium−Carbene Catalysts
Nascimento, Daniel L.; Foscato, Marco; Occhipinti, Giovanni; Jensen, Vidar Remi; Fogg, Deryn Elizabeth (Journal article; Peer reviewed, 2021)Bimolecular catalyst decomposition is a fundamental, long-standing challenge in olefin metathesis. Emerging ruthenium–cyclic(alkyl)(amino)carbene (CAAC) catalysts, which enable breakthrough advances in productivity and ... -
The Impact of Water on Ru-Catalyzed Olefin Metathesis: Potent Deactivating Effects Even at Low Water Concentrations
Blanco, Christian O.; Sims, Joshua; Nascimento, Daniel L.; Goudreault, Alexandre Y.; Steinmann, Stephan N.; Michel, Carine; Fogg, Deryn Elizabeth (Journal article; Peer reviewed, 2021)Ruthenium catalysts for olefin metathesis are widely viewed as water-tolerant. Evidence is presented, however, that even low concentrations of water cause catalyst decomposition, severely degrading yields. Of 11 catalysts ... -
The Janus face of high trans-effect carbenes in olefin metathesis: gateway to both productivity and decomposition
Occhipinti, Giovanni; Nascimento, Daniel L.; Foscato, Marco; Fogg, Deryn Elizabeth; Jensen, Vidar Remi (Journal article; Peer reviewed, 2022)Ruthenium–cyclic(alkyl)(amino)carbene (CAAC) catalysts, used at ppm levels, can enable dramatically higher productivities in olefin metathesis than their N-heterocyclic carbene (NHC) predecessors. A key reason is the reduced ... -
Routes to High-Performing Ruthenium–Iodide Catalysts for Olefin Metathesis: Ligand Lability Is Key to Efficient Halide Exchange
Blanco, Christian O.; Nascimento, Daniel L.; Fogg, Deryn Elizabeth (Journal article; Peer reviewed, 2021)Clean, high-yielding routes are described to ruthenium–diiodide catalysts that were recently shown to enable high productivity in olefin metathesis. For the second-generation Grubbs and Hoveyda catalysts (GII: RuCl2(H2IM ...