Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 1, Pages 19-33Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201000809
Keywords
Iridium; Metallacycles; Tris(pyrazolyl) borate ligands
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Funding
- Spanish Ministerio de Ciencia e Innovacion (MICINN) [CTQ2007-62814, CSD2007-0006]
- Junta de Andalucia [FQM119, P09-FQM-4832]
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The Tp(Me2)Ir moiety has proven to easily promote the formal oxidative addition reactions of unsaturated molecules, with or without concomitant formation of carbon-carbon bonds, to form metallacyclic species. The ring sizes may range between having 5- and 7 members, and these metallacycles exhibit a rich reactivity. Some of these metallacycles represent stable models of intermediates proposed in catalytic processes such as alkyne cyclotrimerization or olefin/alkyne coupling. The stability of these Tp(Me2)Ir(III) species allows the mechanistic investigation of the reactions observed, by way of the isolation and/or trapping of intermediates.
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