Solution thermochemical study of a fluorous tertiary phosphine ligand in rhodium and ruthenium systems

Chunbang Li, Steven P. Nolan, István T. Horváth

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Abstract

The enthalpies of reaction of a fluorous tertiary phosphine, P(CH2CH2(CF2)5CF3) 3 (PRf3) with [Rh(CO)2Cl]2 (1) and Cp′Ru(COD)Cl (Cp′ = η5-C5H5 (2), η5-C5Me5 (3)), leading to the formation of RhCl(CO)(PRf3)2 and Cp′Ru(PRf3)2Cl complexes have been measured by anaerobic solution calorimetry in THF at 30.0°C. These reactions are rapid and quantitative. The measured reaction enthalpies allow for a quantitative determination of characteristic phosphine steric and electronic parameters associated with this novel tertiary phosphine ligand. Sterically, the P(CH2CH2(CF2)5CF3) 3 ligand appears identical to PEt3.

Original languageEnglish
Pages (from-to)452-456
Number of pages5
JournalOrganometallics
Volume17
Issue number3
DOIs
Publication statusPublished - Feb 2 1998

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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