Formation of P,C-chelated palladium complexes by phosphine-assisted oxidative addition of an aliphatic CCl bond

Moshe Portnoy, Yehoshua Ben-David, David Milstein

Research output: Contribution to journalArticlepeer-review

Abstract

Reactions of the (chloralkyl) phosphine 1-chloro-3-(diisopropylphosphino)propane ( 3) with chelated Pd(0) complexes have been given, leading to P,C-chelated complexes. Reaction of a methyl-π-allypalladium chloride dimer with 1,3-(diisopropylphosphino)propane and a base gives the binuclear complex 2a. Pd(dippe) 2 (dippe = 1,2-bis(diisopropylphosphino)ethane) reacts with 3 to yield the mononuclear bis-chelated complex 6. As expected, the intramolecular coordinatively oxidative addition of the aliphatic CCl bond in 3 to the metal center is much faster than that of the intermolecular reaction of n-butyl chloride. The X-ray structure of 2a was determined.
Original languageAmerican English
Pages (from-to)149-153
Number of pages5
JournalJournal of Organometallic Chemistry
Volume503
Issue number1
DOIs
StatePublished - 1995
Externally publishedYes

Keywords

  • Alkyl chloride
  • Chelate
  • Metallation
  • Oxidative addition
  • Palladium

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