Preparation and reactions of rhodium complexes of some alkynylamines

Eva M. Campi, W. Roy Jackson

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Abstract

Reactions of [Rh(CO)2Cl]2 with the alkynylamines Ph ≡(CH2)2NH2 1 and p-MeC6H4 ≡ (CH2)3NH2 2 give the corresponding alkynylamine dicarbonyl rhodium(1) chloride complexes 3 and 4 in which ligand bonding is monodentate through nitrogen. Solutions of these complexes in benzene or chloroform isomerise on standing to give complexes involving 2-substituted-pyrroline derivatives as ligands. Attempts to convert this reaction into a catalytic process were unsuccessful using rhodium catalysts at 80°C but catalysis was achieved using Ni(CO)2(PPh3)2 at 125°C.

Original languageEnglish
Pages (from-to)205-209
Number of pages5
JournalJournal of Organometallic Chemistry
Volume523
Issue number2
DOIs
Publication statusPublished - 18 Oct 1996

Keywords

  • Alkynylamines
  • Catalysis
  • Nickel
  • Rearrangement
  • Rhodium
  • Stoichiometric complexes

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