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Issue 1, 2019
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Isotopic labelling in ethylene oligomerization: addressing the issue of 1-octene vs. 1-hexene selectivity

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Abstract

The selectivity-determining mechanistic steps of ethylene tetramerization and trimerization are evaluated in light of isotopic labeling experiments. A mechanism based upon a shared chromacycloheptane intermediate rather than the C–C coupling of chromacyclopentanes or Cr speciation into independent trimerization and tetramerization catalysts is consistent with the data, including observed upper limits on 1-octene selectivity.

Graphical abstract: Isotopic labelling in ethylene oligomerization: addressing the issue of 1-octene vs. 1-hexene selectivity

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Publication details

The article was received on 12 Nov 2018, accepted on 13 Nov 2018 and first published on 17 Nov 2018


Article type: Communication
DOI: 10.1039/C8DT04509G
Citation: Dalton Trans., 2019,48, 40-44

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    Isotopic labelling in ethylene oligomerization: addressing the issue of 1-octene vs. 1-hexene selectivity

    N. A. Hirscher, J. A. Labinger and T. Agapie, Dalton Trans., 2019, 48, 40
    DOI: 10.1039/C8DT04509G

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