Hydroformylation of styrene in the presence of platinum(II) complex catalysts incorporating cyclic phosphines and phosphonous diesters as P-ligands

Péter Pongrácz, László Kollár, Andrea Kerényi, Viktória Kovács, Viktória Ujj, György Keglevich

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The hydroformylation activity of various 5- and 6-membered P-heterocycles was investigated in platinum-catalysed hydroformylation of styrene. All of the tested ligands, such as the phosphole-, oxaphosphorine- and phoshinine-based ligands proved to be catalytically active. Especially good aldehyde selectivities were obtained with the chelating diphenylphosphino- tetrahydrophosphinine and diphenylphosphino-hexahydrophosphinine ligands. While the two aldehyde regioisomers were formed close to equimolar amounts with the monodentate ligands, high branched selectivities were observed with the chelating ones. The effect of the 4-substitution of the parent styrene on chemo- and regioselectivity was investigated.

Original languageEnglish
Pages (from-to)2234-2237
Number of pages4
JournalJournal of Organometallic Chemistry
Volume696
Issue number10
DOIs
Publication statusPublished - May 15 2011

Keywords

  • Hydroformylation
  • Oxaphosphorine
  • Phosphinine
  • Phospholene
  • Platinum

ASJC Scopus subject areas

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

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