First heterogeneously palladium catalysed α-arylation of diethyl malonate

Laurent Djakovitch, Klaus Köhler

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Pd exchanged NaY zeolites ([Pd(0)]-, [Pd(II)]- and entrapped [Pd(NH3)4]) exhibit a good activity towards the α-arylation of carbonyl compounds using different para-substituted aryl bromides. Low Pd-concentrations (only 2 mol%) are required to observe interesting activity. The catalysts can easily be separated from the reaction mixture and reused without any loss in activity. For large-scale applications the alternative use of an insoluble base as K2CO3 seems to be promising. The electronic nature of the aryl halides plays a limited role concerning the rate of the reaction.

Original languageEnglish
Pages (from-to)101-107
Number of pages7
JournalJournal of Organometallic Chemistry
Volume606
Issue number2
DOIs
StatePublished - 28 Jul 2000

Keywords

  • Aryl halides
  • Carbonyl derivatives
  • Heterogeneous catalytic α-arylation
  • Zeolite supported palladium

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