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Selective linear dimerization of 1,3-butadiene by palladium compounds immobilized into 1-n-butyl-3-methyl imidazolium ionic liquids

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Summary

Palladium (II) compounds (palladium dichloride, acetate and acetylacetonate) in conjunction with triphenylphosphine dissolved in 1-butyl-methyl imidazolium tetrafluoroborate, hexafluorophosphate or trifluoromethanesulfonate are able to dimerize butadiene into 1,3,6-octatriene in a typical two-phase catalytic reaction with 100% selectivity. The reaction product is easily separated from the reaction mixture by simple decantation, and the recovered ionic liquid catalyst solution can be reused several times without significant changes in catalytic activity or selectivity.

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Authors and Affiliations

  1. Instituto de Química - UFRGS, Avenida Bento Gonçalves 9500, 91501-970 Porto Alegre, RS, Brazil, , , , , , BR

    Silvana M. Silva, Paulo A. Z. Suarez, Roberto F. de Souza & Jairton Dupont

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  1. Silvana M. Silva
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  2. Paulo A. Z. Suarez
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  3. Roberto F. de Souza
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  4. Jairton Dupont
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Received: 24 November 1997/Revised version: 5 January 1998/Accepted: 7 January 1998

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Silva, S., Suarez, P., de Souza, R. et al. Selective linear dimerization of 1,3-butadiene by palladium compounds immobilized into 1-n-butyl-3-methyl imidazolium ionic liquids. Polymer Bulletin 40, 401–405 (1998). https://doi.org/10.1007/s002890050269

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  • DOI: https://doi.org/10.1007/s002890050269

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