Oxidative Addition of Methyl Iodide and CO Migratory Insertion in a Cationic Rhodium Complex of a S,N,S Tridentate Ligand
Organometallics2003Vol. 22(12), pp. 2535–2538
Citations Over TimeTop 15% of 2003 papers
Abstract
The cationic rhodium(I) carbonyl complex mer-[Rh(L)(CO)]PF6 coordinated by a tridentate S,N,S donor ligand (L = 2,6-bis(benzylthiomethyl)pyridine) reacts with MeI to give the corresponding acetyl derivative [Rh(L)(COMe)I]PF6, by consecutive oxidative addition−migratory insertion reactions via observable methyl−rhodium(III) intermediate complexes. Rate constants and activation parameters have been obtained for both reaction steps in MeCN, and compared with those of complexes coordinated by mono- and bidentate ligands. This is the first report on the organometallic reactivity of a rhodium(I) and carbonyl complex of S,N,S ligands.
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