A simple, general route to 2-pyridylidene transition metal complexesElectronic supplementary information (ESI) available: Full experimental procedures and data. CCDC 791629 (3b), 791630 (5b). For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c0cc03935g

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
Main Authors: Roselló-Merino, Marta, Díez, Josefina, Conejero, Salvador
Format: Article
Language:English
Online Access:Get full text
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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. Facile entry to pyridine derived N-heterocyclic carbene complexes by decarboxylation of pyridinium carboxylates.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc03935g