Terminal cobalt(III) imido complexes supported by tris(carbene) ligands: imido insertion into the cobalt-carbene bond |
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Authors: | Hu Xile Meyer Karsten |
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Institution: | Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, MC 0358, La Jolla, California 92093-0359, USA. |
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Abstract: | Highly reactive tris-carbene Co(I) complexes (TIMENaryl)Co]Cl react with organic azides to yield monomeric Co(III) imido complexes (TIMENaryl)Co(NAr')](BPh4) (aryl = mes, xyl; Ar = -C6H4-CH3, -C6H4-OCH3). The cobalt-imido fragment in these complexes is electrophilic and, as a result, the imido group readily inserts into the cobalt-carbene bond, yielding bis-carbene imine cobalt complexes. |
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