The nature of the active species in bis(imino)pyridyl cobalt ethylene polymerisation catalysts

V C Gibson; M J Humphries; K P Tellmann; D F Wass; A J White; D J Williams

doi:10.1039/b107490c

The nature of the active species in bis(imino)pyridyl cobalt ethylene polymerisation catalysts

Chem Commun (Camb). 2001 Nov 7:(21):2252-3. doi: 10.1039/b107490c.

Authors

V C Gibson¹, M J Humphries, K P Tellmann, D F Wass, A J White, D J Williams

Affiliation

¹ Department of Chemistry, Imperical College of Science, Technology and Medicine, Exhibition Road, South Kensington, London SW7 2AY, UK.

PMID: 12240136
DOI: 10.1039/b107490c

Abstract

Studies on cobalt ethylene polymerisation catalysts bearing bis(imino)pyridine ligands strongly indicate that the activated species is not the anticipated cobalt(II) alkyl cation.