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Title: Monomeric Alkoxo and Amido Methylnickel(II) Complexes. Synthesis and Heterocumulene Insertion Chemistry
Authors: Cámpora, Juan; Matas, Inmaculada; Palma, 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
URI: http://hdl.handle.net/10261/37729
ISSN: 0276-7333
DOI: 10.1021/om7002909
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