New ruthenium metathesis catalysts with chelating indenylidene ligands: synthesis, characterization and reactivity |
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Authors: | Kabro Anzhelika Ghattas Ghazi Roisnel Thierry Fischmeister Cédric Bruneau Christian |
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Institution: | Sciences Chimiques de Rennes, Catalyse et Organométalliques, UMR-CNRS-Université de Rennes, France. |
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Abstract: | Six new ruthenium complexes bearing a bidentate (κ(2)O,C)-isopropoxy-indenylidene and PPh(3) or PCy(3) ligands have been synthesized and characterized by (1)H, (13)C NMR spectroscopy and X-ray crystallography. Some of these complexes were synthesized in dimethyl carbonate, a green solvent that was recently shown to be suitable for several catalytic transformations including olefin metathesis. The thermal stability and catalytic efficiency of the PCy(3)-containing complexes have been evaluated in a series of test reactions. |
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