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New rhodium(I) carbene complexes from carbene transfer reactions

TitleNew rhodium(I) carbene complexes from carbene transfer reactions
Publication TypeJournal Article
Year of Publication2006
AuthorsYu, XY, Patrick, BO, James, BR
JournalOrganometallics
Volume25
Pagination2359-2363
Date PublishedApr
Type of ArticleArticle
ISBN Number0276-7333
KeywordsAPPLICATION, CATALYTIC, COUPLING, EFFICIENT CATALYSTS, IRIDIUM, LIGAND, METAL-COMPLEXES, N-heterocyclic carbene, NUCLEOPHILIC CARBENE, OLEFIN METATHESIS, REACTIONS, SILVER(I)
Abstract

The Rh(I) complexes RhCl(diene)(NHC) have been synthesized from Ag(I) carbene precursors, where NHC is one of the N-heterocyclic carbenes 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene (IPr), 1,3bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (IMes), 3-methyl-1-phenacylimidazol-2-ylidene (MAI), and 3-methyl-1-picolylimidazol-2-ylidene (MPI), and diene is either NBD or COD. The complexes are characterized by elemental analysis, H-1 NMR and IR spectroscopies, mass spectrometry, and, in the case of RhCl(NBD)(IMes) and RhCl(COD)(MAI), X-ray crystallography. The new Ag(I) carbene complexes [Ag(IPr)(2)]PF6 and [Ag(IMeS)(2)]PF6 are also reported.
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