Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Intermediates and Mechanism of Photo-Oxygenation Reaction of Triethylamine
Hiroshi TsubomuraTeruo YagishitaHiroo Toi
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1973 Volume 46 Issue 10 Pages 3051-3055


The electronic absorption spectrum caused by the charge transfer interaction between oxygen and triethylamine was studied quantitatively. It is concluded that there is no particular stabilization between them due to the charge transfer interactions. The intermediate radicals produced by the excitation of triethylamine–O2 in the region of the charge transfer band were studied by the ESR method at various temperatures from 77 to 300 K. The chemical analysis of the irradiation products of the same system was also carried out. The radicals observed are methyl, ethyl, and possibly, (C2H5)2N\dotCHCH3, \dotOOH and (C2H5)2NO·. The products identified are acetaldehyde and diethylamine. Based on these results, the various reactions taking place in the overall photochemical process were speculated.

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