Oxidative addition of aryl halides: routes to mono- and dimetallic nickel amino-bis-phosphinimine complexes |
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| Authors: | Cariou Renan Graham Todd W Dahcheh Fatme Stephan Douglas W |
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| Institution: | Department of Chemistry, 80 St. George St., University of Toronto, Toronto, Ontario, Canada M5S 3H6. |
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| Abstract: | Oxidative addition of an aryl-halide to Ni(COD)(2) in the presence of an equivalent of amino-bis-phosphinimine ligand affords complexes of the form HN(CH(2)CH(2)N=PPh(3))(2)Ni-Ar]X] (Ar = C(6)H(4)F, C(6)H(5), X = Cl, Br) while the analogous reactions with 2 equivalents of Ni yield the amido-bridged complexes N(CH(2)CH(2)N=PPh(3))Ni(2)Br(3) and N(1,2-C(6)H(4)N=PPh(3))Ni(2)Br(3). |
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