Said, M, Hughes, DL and Bochmann, M (2006) Synthesis, structure and catalytic activity of phosphine-substituted zirconium salicylaldiminato complexes. Inorganica Chimica Acta, 359 (11). pp. 3467-3473.

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Abstract

The reaction of the lithium iminophenolate LiOC6H3-2-But-6-CH==as m-dash" border="0">NAr, where Ar = 3-C6H4P{C6H3(CF3)2-3,5}2, [Li(O–NP)] with ZrCl4 affords ZrCl2(O–NP)2. Whereas previously reported zirconium bis(salicylaldiminato) complexes are typified by the trans orientation of the O-atoms, the molecular structure ZrCl2(O–NP)2 is unusual in adopting an all-cis arrangement of N, O and Cl donors. The crystal structure of the parent ligand, HOC6H3-2-But-6-CH==as m-dash" border="0">NC6H4PPh2-3, is reported for comparison. Upon activation with methylaluminoxane the complex is highly active for the polymerisation of ethylene to oligomers and low-molecular weight polymers. Notably, the catalytic activity is unaffected by the presence of phosphine donors.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry
Related URLs:	http://dx.doi.org/10.1016/j.ica.2005.10....
Depositing User:	Rachel Smith
Date Deposited:	02 Nov 2010 17:48
Last Modified:	21 Apr 2020 19:36
URI:	https://ueaeprints.uea.ac.uk/id/eprint/10524
DOI:	10.1016/j.ica.2005.10.041

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