Schulz–Flory oligomerisation of ethylene by the binuclear nickel(II) complex Ni2Cl4[cis,trans,cis-1,2,3,4-tetrakis-(diphenylphosphino)cyclobutane]

Claudio Bianchini; Luca Gonsalvi; Werner Oberhauser; David Sémeril; Peter Brüggeller; Rene Gutmann

doi:10.1039/B308388H

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Schulz–Flory oligomerisation of ethylene by the binuclear nickel(ii) complex Ni₂Cl₄[cis,trans,cis-1,2,3,4-tetrakis-(diphenylphosphino)cyclobutane]

Claudio Bianchini,*^a Luca Gonsalvi,^a Werner Oberhauser,^a David Sémeril,^a Peter Brüggeller^b and Rene Gutmann^b

Author affiliations

* Corresponding authors

^a Istituto di Chimica dei Composti Organometallici, ICCOM-CNR, Area della Ricerca di Firenze, Via Madonna del Piano snc, 50019 Sesto Fiorentino (Firenze), Italy
E-mail: cbianchini@iccom.cnr.it

^b Institut für Allgemeine, Anorganische und Theoretische Chemie der Universität Innsbruck, Innrain 52a, Innsbruck, Austria

Abstract

The binuclear nickel(II) complex Ni₂Cl₄(cyclo-tetraphos) (cyclo-tetraphos = cis,trans,cis-1,2,3,4-tetrakis-(diphenylphosphino)cyclobutane) forms, upon activation with MAO, an effective and robust catalyst for the oligomerisation of ethylene to Schulz–Flory distributions of C₄–C₁₄ olefins with a mechanism where both chain transfer and chain propagation are first order in ethylene.

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Crystal structure data TXT (59K)

Article information

DOI: https://doi.org/10.1039/B308388H
Article type: Paper
Submitted: 21 Jul 2003
Accepted: 05 Sep 2003
First published: 17 Sep 2003

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Dalton Trans., 2003, 3869-3875

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Schulz–Flory oligomerisation of ethylene by the binuclear nickel(II) complex Ni₂Cl₄[cis,trans,cis-1,2,3,4-tetrakis-(diphenylphosphino)cyclobutane]

C. Bianchini, L. Gonsalvi, W. Oberhauser, D. Sémeril, P. Brüggeller and R. Gutmann, Dalton Trans., 2003, 3869 DOI: 10.1039/B308388H

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Dalton Transactions