Electronic effects on the acidity of phosphorus(III) triflates

  • Renard S
  • Kee T
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Abstract

A range of chiral phosphorus(III) triflates has been prepared and their donor-acceptor behaviour towards the representative donor 4-phenylpyridine investigated. Correlations between31P-NMR shifts, relative binding strengths (Kr) and the electronic nature of the phosphorus complex are observed. A scale of relative Lewis acidity (Ar) is proposed for this class of phosphorus compound towards donor molecules using 4-phenylpyridine as a reference. © 2002 Published by Elsevier Science B.V.

Author-supplied keywords

  • Chiral
  • Electronic effects
  • Phosphorus(III) triflates

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Authors

  • Sylvie L. Renard

  • Terence P. Kee

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