John Thomas Dixon | Researchain

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Featured researches published by John Thomas Dixon.

Chemical Communications | 2003

Novel Cr-PNP complexes as catalysts for the trimerisation of ethylene

David S. McGuinness; Peter Wasserscheid; Wilhelm Keim; Chunhua Hu; Ulli Englert; John Thomas Dixon; Cronje Grove

Cr(III) complexes of tridentate PNP ligands have been prepared and evaluated as catalysts for ethylene trimerisation, with several giving high activity and excellent selectivity towards 1-hexene when activated with methylaluminoxane.

Chemical Communications | 2005

Ethylene trimerisation and tetramerisation catalysts with polar-substituted diphosphinoamine ligands

Matthew James Overett; Kevin Blann; Annette Bollmann; John Thomas Dixon; Fiona Millicent Hess; Esna Killian; Hulisani Maumela; David Hedley Morgan; Arno Neveling; Stephanus Otto

Chromium-based catalyst systems with polar-substituted diphosphinoamine ligands are selective for either trimerisation or tetramerisation of ethylene, depending on the position of the polar groups on the aryl rings.

Journal of Organometallic Chemistry | 2004

Advances in selective ethylene trimerisation – a critical overview

John Thomas Dixon; Mike Green; Fiona Millicent Hess; David Hedley Morgan

Journal of the American Chemical Society | 2004

Ethylene Tetramerization: A New Route to Produce 1-Octene in Exceptionally High Selectivities

Annette Bollmann; Kevin Blann; John Thomas Dixon; Fiona Millicent Hess; Esna Killian; Hulisani Maumela; David S. McGuinness; David Hedley Morgan; Arno Neveling; Stefanus Otto; Matthew James Overett; Alexandra M. Z. Slawin; Peter Wasserscheid; Sven Kuhlmann

Journal of the American Chemical Society | 2003

First Cr(III)−SNS Complexes and Their Use as Highly Efficient Catalysts for the Trimerization of Ethylene to 1-Hexene

David S. McGuinness; Peter Wasserscheid; Wilhelm Keim; David O. Morgan; John Thomas Dixon; Annette Bollmann; Hulisani Maumela; Fiona Millicent Hess; Ulli Englert

Journal of the American Chemical Society | 2005

Mechanistic investigations of the ethylene tetramerisation reaction.

Matthew James Overett; Kevin Blann; Annette Bollmann; John Thomas Dixon; Daleen Haasbroek; Esna Killian; Hulisani Maumela; David S. McGuinness; David Hedley Morgan

Organometallics | 2005

Ethylene Trimerization with Mixed-Donor Ligand (N,P,S) Chromium Complexes: Effect of Ligand Structure on Activity and Selectivity

David S. McGuinness; Peter Wasserscheid; David Hedley Morgan; John Thomas Dixon

Archive | 2003

Tetramerization of olefins

Kevin Blann; Annette Bollmann; John Thomas Dixon; Arno Neveling; David Hedley Morgan; Hulisani Maumela; Esna Killian; Fiona Millicent Hess; Stefanus Otto; Lana Pepler; Hamdani Ahmed Mahomed; Matthew James Overett

Chemical Communications | 2005

Highly selective chromium-based ethylene trimerisation catalysts with bulky diphosphinoamine ligands

Kevin Blann; Annette Bollmann; John Thomas Dixon; Fiona Millicent Hess; Esna Killian; Hulisani Maumela; David Hedley Morgan; Arno Neveling; Stephanus Otto; Matthew James Overett

Journal of Catalysis | 2007

Ethylene tetramerisation: Subtle effects exhibited by N-substituted diphosphinoamine ligands

Kevin Blann; Annette Bollmann; Henriëtte de Bod; John Thomas Dixon; Esna Killian; Palesa Nongodlwana; Munaka C. Maumela; Hulisani Maumela; Ann E. McConnell; David Hedley Morgan; Matthew James Overett; Marié Pretorius; Sven Kuhlmann; Peter Wasserscheid

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