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. 2008 Jun 20;73(12):4691-3.
doi: 10.1021/jo800447v. Epub 2008 May 23.

The structure of polymer-supported triphenylphosphine ditriflate: a potentially useful reagent in organic synthesis

Maria J Petersson  1 , Ian D Jenkins, Wendy A Loughlin
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The structure of polymer-supported triphenylphosphine ditriflate: a potentially useful reagent in organic synthesis

Maria J Petersson et al. J Org Chem. .

Abstract

The structure of a polymer-supported version of the Hendrickson "POP" reagent, prepared by the reaction of polymer-supported triphenylphosphine oxide 1 with triflic anhydride, is established as an equilibrium mixture of polymer-supported triphenylphosphine ditriflate 3 (delta 79.4 ppm) and polymer-supported phosphonium anhydride 4 (delta 73.3 ppm). The (31)P NMR chemical shift reported previously for 3 is shown to be incorrect.

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