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Closed Access item Monomeric Alkoxo and Amido Methylnickel(II) Complexes. Synthesis and Heterocumulene Insertion Chemistry

Authors:Cámpora, Juan
Matas, Inmaculada
Palma Ramírez, Pilar
Álvarez, Eleuterio
Graiff, Claudia
Tiripicchio, Antonio
Keywords:Alkoxo, Amido, β-hydrogen, Dialkylamido, Thermodynamic, Nucleophilic, Fluoride, Heterocumulenes
Issue Date:20-Jun-2007
Publisher:American Chemical Society
Citation:Organometallics 26(15): 3840-3849 (2007)
Abstract:Fluoride displacement from the complex Ni(Me)(F)(dippe) by LiOR or LiNRR‘ provides an efficient method for the synthesis of the corresponding mononuclear Ni(II) alkoxo or amido complexes. These complexes undergo addition reactions to heterocumulenes (CO2, PhNCO, PhNCS), leading to the formal insertion of these molecules into the Ni−O or Ni−N bonds. The dialkylamido complexes decompose through β-hydrogen elimination processes, which selectively afford η2-imine Ni(0) compounds.
Description:10 páginas, 5 figuras, 1 tabla, 4 esquemas.
Publisher version (URL):htt://dx.doi.org/10.1021/om7002909
Appears in Collections:(IIQ) Artículos

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