2016
DOI: 10.1039/c5cy02055g
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(Ferrocenylpyrazolyl)nickel(ii)-catalysed ethylene oligomerisation

Abstract: (Ferrocenylpyrazolyl)nickel(ii) complexes upon activation with EtAlCl2 catalyse ethylene oligomerisation reactions in chlorobenzene to isomers of butenes and C16–C64 olefins without Schulz–Flory distribution.

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Cited by 16 publications
(5 citation statements)
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“…Production of linear α-olefins (LAOs) through ethylene oligomerization is an important issue in both industry and academia, and development of efficient catalysts for this process is an active research area. LAOs are used in the polyolefin industry as comonomers, and demand for them has increased with the increase in polyolefin production using the homogeneous metallocene-type catalysts. Recently, LAOs have also been used in the production of poly­(α-olefin) lubricant base-stocks .…”
Section: Introductionmentioning
confidence: 99%
“…Production of linear α-olefins (LAOs) through ethylene oligomerization is an important issue in both industry and academia, and development of efficient catalysts for this process is an active research area. LAOs are used in the polyolefin industry as comonomers, and demand for them has increased with the increase in polyolefin production using the homogeneous metallocene-type catalysts. Recently, LAOs have also been used in the production of poly­(α-olefin) lubricant base-stocks .…”
Section: Introductionmentioning
confidence: 99%
“…However, this mechanism much worse describes the distribution of products formed during the oligomerization of 1-hexene, because it requires the preferable β-C 2 H 5 elimination. The possible formation of odd carbon number olefins, as a result of side-reactions in the presence of the EtAlCl 2 , is not supported neither by literature [57,[66][67][68][69][70][71][72][73][74][75][76][77][78][79][80][81][82] nor by experimental data (SI, Figure S51).…”
Section: Formation Of Odd Carbon Number Olefinsmentioning
confidence: 91%
“…74 In the presence of MAO, the ferrocenyl phosphane nickel(0) complex 30 described by Lang et al 111 displays low activity and forms hexenes as the main product followed by butenes and higher oligomers (Table 5). Darkwa et al 112 suggest that the use of bulky ferrocenyl groups in pyrazolyl ligands may enhance catalyst stability and thus favor the activity of the catalytic system. Complexes 31−33 (Figure 18) are active in the presence of AlEtCl 2 and form butenes and higher oligomers from C 16 + without C 6 −C 14 oligomers.…”
Section: Neutral Ligandsmentioning
confidence: 99%