Enantioselective hydroformylation of styrene in the presence of platinum(II)–monophospha-crown ether complexes

Péter Pongrácz, Hajnalka Szentjóbi, Tünde Tóth, Péter Huszthy, László Kollár

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Abstract

Platinum complexes (trans-PtCl2L2) containing monophospha-crown ethers (L) were synthesised and used as catalyst precursors in asymmetric hydroformylation of styrene. Chemoselectivities of up to 90% toward aldehydes were obtained. The branched aldehyde (2-phenylpropanal) was slightly favoured for the reaction and e.e-s of up to 52% were obtained. Similar selectivities and higher activities were obtained in the presence of rhodium–monophospha-crown ether catalysts formed in situ.

Original languageEnglish
Pages (from-to)128-133
Number of pages6
JournalMolecular Catalysis
Volume439
DOIs
Publication statusPublished - Jan 1 2017

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Keywords

  • Carbon monoxide
  • Crown ether
  • Enantioselectivity
  • Hydroformylation
  • Phosphine
  • Platinum

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology
  • Physical and Theoretical Chemistry

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