Novel α-fluorinated cyclic phosphite and phosphinite ligands and their Rh-complexes as suitable catalysts in hydroformylation

Irina Odinets, Tamás Kégl, Elena Sharova, Oleg Artyushin, Evgenii Goryunov, Galina Molchanova, Konstantin Lyssenko, Tatyana Mastryukova, Gerd Volker Röschenthaler, György Keglevich, László Kollár

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Asymmetrical cyclic phosphite and phosphinite ligands of a novel type bearing either trifluoromethyl or pentafluorophenyl group were synthesized using >PCl or >PN< species and racemic fluorinated alcohols. The P-ligands were converted to complexes of RhIII(L)(Cp*)Cl 2 type (where L = phosphite or phosphinite) and, in two instances, their stereostructures were evaluated by X-ray analysis. These complexes along with in situ systems, formed from Rh(CO)2(acac) precursor and the corresponding ligand, were tested in the hydroformylation of styrene. Both systems provided excellent hydroformylation activities at 100 °C. Using the RhI in situ systems, moderate and high regioselectivities towards the branched aldehyde (2-phenyl-propanal) were obtained at 100 and 40 °C, respectively.

Original languageEnglish
Pages (from-to)3456-3464
Number of pages9
JournalJournal of Organometallic Chemistry
Volume690
Issue number14
DOIs
Publication statusPublished - Jul 15 2005

Keywords

  • Cyclic phosphite- and phosphinite ligands
  • Homogeneous catalysis
  • Hydroformylation
  • Rhodium complexes
  • Stereostructure

ASJC Scopus subject areas

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

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