Exposure of a dilute solution of CF3COCH3 in CFCl3 to ionising radiation at 77 K yields ·CF3 radicals, formed, presumably, by fragmentation of the radical cation; on annealing, the e.s.r. signal due to ·CF3 decreases in intensity and is replaced by a 22 G triplet (1 G = 10–4 T), which we assign to ·CH2C![[triple bond, length half m-dash]](https://www.rsc.org/images/entities/char_e007.gif)
O radicals, formed by hydrogen atom abstraction from CH3CO cations by the ·CF3 radicals.
C. J. Rhodes and M. C. R. Symons, J. Chem. Soc., Chem. Commun., 1987, 258 DOI: 10.1039/C39870000258
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