Calorimetric investigation of palladium-catalysed telomerization of isoprene in solution |
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| Authors: | N Heldt K Heldt H Anderson W Gaube |
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| Institution: | (1) Department of chemistry, University of Greifswald, Soldtmannstr., D-O-2200 Greifswald, Germany |
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| Abstract: | Telomerization of isoprene is characterized by intense thermal effects. The reaction system di-μ-chlorobis(η3-allyl)-dipalladium(II): tri-n-butylphosphine: sodium methylate: isoprene=1∶2∶3∶200 in a solvent-mixture of methanol∶benzene=1∶3 is used as a model. It is concluded that reaction of the catalyst combined with reduction of Pd(II) is followed by the telomerization reaction. There is a marked influence of Pd and phosphine concentration in the catalyst as well as concentration of isoprene. Results are available to optimize technical applications. |
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| Keywords: | isoprene telomerization reaction |
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