Journal of Fluorine Chemistry p. 391 - 398 (1988)
Update date:2022-08-11
Topics:
Zhao, Cheng-Xue
Chen, Guo-Fei
Jiang, Xi-Kui
Blue solutions containing 15N labelled bis(polyfluoroalkyl) nitroxides and spin traps, polyfluoronitrosoalkanes, were conveniently made from the reactions of Na15NO2 with polyfluoro-compounds, (RFCO2), RFI and RFSO2Br in F113.It has been found that the nitroxides effected fast H-abstraction from alkanes, alkylbenzenes, aldehydes and the radicals derived from the substrates were in turn effectively trapped by RF15NO to give 15N labelled spin adducts detectable by ESR.The bigger aN(15N) values as well as much simpler splittings of both the nitroxides and the spin adducts have made the kinetic studies of the H-abstraction and other radical reactions quite feasible.
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