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Activation of the Ti(OC4H9)4-Al(C2H5)3 catalytic system in the selective dimerization of ethylene to 1-butene by the grignard reagent

Abstract

The effect of an organomagnesium compound on the dimerization of ethylene to 1-butene was studied. The organomagnesium compound increases the catalytic activity of the Ti(OC4H9)4-Al(C2H5)3 system by 5–10 times. A high degree of selectivity (up to 99%) with respect to 1-butene was obtained. This makes it possible to eliminate a series of technological difficulties involved in the industrial production of 1-butene. The kinetics of the reduction of Ti(OC4H9)4 by butylmagnesium chloride were studied by ESR and polarography.

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Additional information

Chernogolovka Institute of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 10, pp. 2277–2283, October, 1992.

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Dzhabieva, Z.M., Babkina, O.N., Belov, G.P. et al. Activation of the Ti(OC4H9)4-Al(C2H5)3 catalytic system in the selective dimerization of ethylene to 1-butene by the grignard reagent. Russ Chem Bull 41, 1781–1786 (1992). https://doi.org/10.1007/BF00863808

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Keywords

  • dimerization
  • kinetics
  • ethylene
  • organomagnesium compound
  • 1-butene
  • selectivity
  • catalytic activity
  • polarography
  • reduction