Rapid Decomposition of Olefin Metathesis Catalysts by a Truncated N-Heterocyclic Carbene: Efficient Catalyst Quenching and N-Heterocyclic Carbene Vinylation
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DOI: 10.1021/acscatal.8b03123
Abstract: The Grubbs methylidene RuCl2(PCy3)2(═CH2) GIm is immediately decomposed by the small N-heterocyclic carbene (NHC) tetramethylimidazol-2-ylidene (IMe4), even at −80 °C. Labeling experiments with RuCl2(PCy3)2(═13CH2) reveal capture of the methylidene ligand as ethylimidazolium chloride [13CH313CH2–IMe4]Cl, A*.… read more here.
Keywords: rapid decomposition; carbene; decomposition olefin; olefin metathesis ... See more keywords