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- W2904648432 abstract "Potentially bidentate hybrid ligands (containing a NHC donor associated with an ether or an amine) and tridentate NCN pincer-type ligands (containing a central NHC donor flancked by two chemically-different nitrogen donors (Nimine and Namine)) have been prepared and used for coordination to transition metals, such as Ni, Cr, Cu, Ir. The influence of the length of the alkyl chain, -(CH2)2- or -(CH2)3- connecting the ether or the amine group to the heterocycle NHC was examined. In order to have access to the transition metal complexes, several methodologies were adopted: a) deprotonation of the corresponding imidazolium salts followed by addition of transition metal precursors; b) transmetalation from NHC silver complexes; c) oxidative-addition reaction of Ni(0) with imidazolium salts or the corresponding protonated salts. A series of Ni(II), Cr(III) complexes were tested in the catalytic ethylene oligomerization reaction." @default.
- W2904648432 created "2018-12-22" @default.
- W2904648432 creator A5028479648 @default.
- W2904648432 date "2017-11-17" @default.
- W2904648432 modified "2023-09-24" @default.
- W2904648432 title "Synthesis and reactivity of metal complexes bearing functional N-heterocyclic carbene ligands" @default.
- W2904648432 hasPublicationYear "2017" @default.
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