A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 119-91-5, Name is 2,2′-Biquinoline, molecular formula is C18H12N2. In an article, author is Oberling, Marvin,once mentioned of 119-91-5, Formula: C18H12N2.
Cationic Ru-Se Complexes for Cooperative Si-H Bond Activation
The preparation and structural characterization of mononuclear tethered ruthenium(II) complexes of type [(DmpSe)Ru(PR3)]+BArF4 (DmpSe = 2,6-dimesitylphenyl selenolate, ArF = 3,5-bis(trifluoromethyl)phenyl) are described. Unlike relevant known selenolate complexes, the reported family of complexes is cationic with a single monodentate selenolate ligand. The ability of these complexes to engage in cooperative SiH bond activation at the RuSe bond is investigated, and a hydrosilane adduct has been fully characterized by multinuclear NMR spectroscopy and X-ray diffraction. The usefulness of these complexes as catalysts for various ionic dehydrogenative silylation and hydrosilylation reactions is assessed. At all stages, the new complexes are compared with their thiolate homologues [(DmpS)Ru(PR3)]+BArF4 (DmpS = 2,6-dimesitylphenyl thiolate). The differences between the selenolate and thiolate complexes are marginal, but measurable. The larger selenium atom provides more space around the RuSe bond than sulfur does for the RuS bond, and hence, the selenolate complexes can accommodate sterically more demanding hydrosilanes.
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Reference:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI