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.
Renard, S. L., & Kee, T. P. (2002). Electronic effects on the acidity of phosphorus(III) triflates. Journal of Organometalic Chemistry, 643–644, 516–521. https://doi.org/10.1016/S0022-328X(01)01460-7