Platinum(II) complexes incorporating racemic and optically active 1-alkyl-3-phospholenes and 1-propyl-phospholane P-ligands: Synthesis, stereostructure, NMR properties and catalytic activity

György Keglevich, Péter Bagi, Áron Szöllsy, Tamás Körtvélyesi, Péter Pongrácz, László Kollár, László Drahos

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Racemic and optically active 1-propyl- and 1-butyl-3-methyl-3-phospholene oxides, as well as 1-propyl-3-methylphospholane oxides were converted after deoxygenation to the corresponding phosphine-borane and phopshine-platinum complexes. Stereostructure of the novel platinum complexes with a propyl group on the phosphorus atom was evaluated by quantum chemical calculations. The complexes displayed characteristic properties regarding their NMR spectra and showed unusual regioselectivity as catalysts in the hydroformylation of styrene derivatives. Ee-s up to 21% were obtained in the presence of optically active Pt-complex precursors.

Original languageEnglish
Pages (from-to)3557-3563
Number of pages7
JournalJournal of Organometallic Chemistry
Volume696
Issue number22
DOIs
Publication statusPublished - Nov 1 2011

Keywords

  • 3-Phospholene
  • Borane complex
  • Catalyst precursor
  • Hydroformylation
  • Phospholane
  • Platinum complex
  • Stereostructure

ASJC Scopus subject areas

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

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