Why 19F NMR of pentafluorophenol is different after the cleavage from the PPPFA polymer comparing to the pure pentafluorophenol reagent?

We are confirming the substitution of pentafluorophenyl groups with amine in the PPPFA polymer by monitoring the appearance of free pentafluorophenol in the reaction mixture with 19NMR...

02 July 2019 4,493 4 View