... Journal of Fluorine Chemistry. ... 1 H, 19 F, and 13 C NMR spectra were recorded at 300.13 MHz, 282.37 MHz and 75.46 MHz, respectively, with a Brucker Avance 300 spectrometer; chemical shifts are given in δ ppm relative to Me 4 Si, CCl 3 F, respectively, as internal ...
