The photoreactions of aromatic carbonyl compounds with amines. Part III. The photoreactions of fluorenone with tertiary amines
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 15,p. 2355-2359
- https://doi.org/10.1039/p29720002355
Abstract
Flash-photolysis experiments have shown that electronically excited fluorenone reacts with NN-dimethylaniline in polar solvents, to give the radical cation of the amine and the radical anion of the ketone. In benzene solution, the only radicals detected were the 9-hydroxyfluorenyl radical and the fluorenone radical anion. By the same technique, excited fluorenone was shown to react with triethylamine in both polar and non-polar solvents to give the fluorenone radical anion and the 9-hydroxyfluorenyl radical. The former radical is probably produced by dissociation of the latter radical. The photoreactions of fluorenone with amines are interpreted in terms of exciplex and radical ion intermediates.Keywords
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