Development of a highly selective and efficient catalyst for 1,3-butadiene dimerization

Surendra Harkal, Ralf Jackstell, Franz Nierlich, Dagmara Ortmann, Matthias Beller

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

(Chemical Equation Presented) A selective dimerization reaction of 1,3-butadiene in the presence of 2-propanol to give 1,3,7-octatriene has been developed. By modification of palladium carbene catalysts an unexpected selectivity switch from the telomerization to the dimerization product occurred. In applying the 1,3-bis(2,6-diisopropylphenyl)-4,5-dimethyl-3H- imidazolidenylpalladium(0) complex 9, unprecedented catalyst efficiency (TON > 80 000 and TOF > 5000 h-1) has been obtained for this transformation.

Original languageEnglish
Pages (from-to)541-544
Number of pages4
JournalOrganic Letters
Volume7
Issue number4
DOIs
StatePublished - 17 Feb 2005
Externally publishedYes

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