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Synthesis and Optimization of Ethylene Trimerization Using [Bis-(2-dodecylsulfanyl-ethyl)-amine]CrCl3 Catalyst

Catalysis Letters volume 141, pages 474–480 (2011)Cite this article

Abstract

The bis-(2-dodecylsulfanyl-ethyl)-amine (SNS) ligand was prepared in good yield and high purity using inexpensive reagents and reacted with CrCl3(THF)3 at room temperature to give the corresponding SNS/CrCl3 catalyst in high yield. An ethylene trimerization reaction at 90 °C and 23 bar ethylene, using the SNS/CrCl3 complex activated by 700 equivalents of MAO, afforded 99.97% 1-C6. Only 0.10% PE was produced and the catalyst activity was 159283 g/g Cr/h.

Graphical Abstract

An ethylene trimerization reaction at 90 °C and 23 bar ethylene, using the [bis-(2-dodecylsulfanyl-ethyl)-amine]CrCl3 complex activated by 700 equivalents of MAO, afforded 99.97% 1-C6.

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Authors and Affiliations

  1. Department of Polymerization Engineering, Iran Polymer and Petrochemical Institute (IPPI), P.O. Box 14965-115, Tehran, Iran

    Zahra Mohamadnia & Mehdi Nekoomanesh Haghighi

  2. Chemistry Department, Zanjan University, P.O. Box 45195-313, Zanjan, Iran

    Ebrahim Ahmadi

  3. Department of Science, Iran Polymer and Petrochemical Institute (IPPI), P.O. Box 14965-115, Tehran, Iran

    Hamid Salehi-Mobarakeh

Authors
  1. Zahra Mohamadnia
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  2. Ebrahim Ahmadi
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  3. Mehdi Nekoomanesh Haghighi
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  4. Hamid Salehi-Mobarakeh
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Correspondence to Ebrahim Ahmadi or Mehdi Nekoomanesh Haghighi.

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Mohamadnia, Z., Ahmadi, E., Haghighi, M.N. et al. Synthesis and Optimization of Ethylene Trimerization Using [Bis-(2-dodecylsulfanyl-ethyl)-amine]CrCl3 Catalyst. Catal Lett 141, 474–480 (2011). https://doi.org/10.1007/s10562-010-0492-z

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  • DOI: https://doi.org/10.1007/s10562-010-0492-z

Keywords

  • Ethylene
  • Trimerization
  • 1-Hexene
  • Chromium catalyst