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Arene substituted cyclopentadienyl complexes of Zr and Hf: preparation and evaluation as catalysts for ethylene trimerisation

journal contribution
posted on 2023-05-17, 04:43 authored by Suttil, JA, McGuinness, DS, Evans, SJ
A range of ZrIV and HfIV complexes of arene-substituted cyclopentadienyl ligands have been prepared and tested in ethylene oligomerisation. The complexes prepared were designed to be precatalysts to active species which have been predicted, through theoretical studies, to lead to selective ethylene trimerisation. While there is evidence for selective 1-hexene formation in the liquid fraction with two of the complexes, the major product in each case is polyethylene. Mechanistic studies reveal that trimerisation products most likely arise through a metallacycle mechanism, whereas there is evidence to suggest that polyethylene if formed via an alternate mechanism

History

Publication title

Dalton Transactions

Volume

39

Issue

22

Pagination

5278-5285

ISSN

1477-9226

Department/School

School of Natural Sciences

Publisher

Royal Soc Chemistry

Place of publication

Thomas Graham House, Science Park, Milton Rd, Cambridge, England, Cambs, Cb4 0Wf

Rights statement

Copyright © 2010 The Royal Society of Chemistry

Repository Status

  • Restricted

Socio-economic Objectives

Organic industrial chemicals (excl. resins, rubber and plastics)

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    University Of Tasmania

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