A simple, general route to 2-pyridylidene transition metal complexes

Pyridinium 2-carboxylates decompose thermally in the presence of a variety of late transition metal precursors to yield the corresponding 2-pyridylidene-like complexes. The mild reaction conditions and structural diversity that can be generated in the heterocyclic ring make this method an attractive...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2010-12, Vol.46 (48), p.9247-9249
Main Authors: Roselló-Merino, Marta, Díez, Josefina, Conejero, Salvador
Format: Article
Language:English
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Summary:Pyridinium 2-carboxylates decompose thermally in the presence of a variety of late transition metal precursors to yield the corresponding 2-pyridylidene-like complexes. The mild reaction conditions and structural diversity that can be generated in the heterocyclic ring make this method an attractive alternative for the synthesis of 2-pyridylidene complexes. IR spectra of the Ir(i) carbonyl compounds [IrCl(NHC)(CO)(2)] indicate that these N-heterocyclic carbene ligands are among the strongest σ-electron donors.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc03935g