Issue 1, 2019

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

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

Supplementary files

Article information

Article type
Communication
Submitted
04 ربيع الأول 1440
Accepted
05 ربيع الأول 1440
First published
09 ربيع الأول 1440

Dalton Trans., 2019,48, 40-44

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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