Carbonylation (hydroformylation and hydroalkoxycarbonylation) of styrene in the presence of transition metal-ferrocene-based aminophosphine systems

Brigitte Jedlicka, Walter Weissensteiner, Tamás Kégl, László Kollár

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The PtCl2(L)-type platinum complexes of the ferrocenyl ligands, (Sc,S m)-1-diphenylphosphino-α-N-N-dimethyl-amino[2,3] tetramethyleneferrocene (1) and (Sc,S m)-1,1′-bis(diphenylphosphino)-α-N,N-dimethylamino[2,3] tetramethylene ferrocene (2) have been synthesised. Both the 'preformed' and in situ catalysts have been used in hydroformylation of styrene. In spite of low enantioselectivities and activities, the ferrocenyl based systems proved to be of interest from theoretical point of view. The ligand influence on regio- and enantioselectivity has been investigated in systems containing either only one of the ferrocenyl ligands or one ferrocenyl ligand together with bdpp ((2S,3S)-2,4-bis(diphenylphosphino)pentane). The coordination of the respective ligands to platinum in the catalytic process can be deduced from results obtained with the 'mixed ligand system'. The rhodium in situ catalysts containing either 1 or 2 are active in hydroformylation but the ee-s obtained with styrene are low. In the presence of ligand 1, the palladium-catalysed hydromethoxycarbonylation of styrene resulted in the predominant formation of the branched regioisomer, in case of 2 mostly the linear product was formed.

Original languageEnglish
Pages (from-to)37-41
Number of pages5
JournalJournal of Organometallic Chemistry
Volume563
Issue number1-2
Publication statusPublished - Jul 30 1998

Fingerprint

Carbonylation
Hydroformylation
Styrene
styrenes
Transition metals
Metals
transition metals
Ligands
ligands
Enantioselectivity
Platinum
platinum
catalysts
Regioselectivity
Rhodium
Catalysts
pentanes
Palladium
ferrocene
rhodium

Keywords

  • Carbonylation
  • Ferrocene
  • Hydroformylation
  • Nuclear magnetic resonance
  • Palladium
  • Phosphine
  • Platinum

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Carbonylation (hydroformylation and hydroalkoxycarbonylation) of styrene in the presence of transition metal-ferrocene-based aminophosphine systems. / Jedlicka, Brigitte; Weissensteiner, Walter; Kégl, Tamás; Kollár, László.

In: Journal of Organometallic Chemistry, Vol. 563, No. 1-2, 30.07.1998, p. 37-41.

Research output: Contribution to journalArticle

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