Controlled chemiluminescence during the oxidation of tetraaryl-Δ 2, 2′-biimidazolidines by triplet oxygen in the presence of fluorescers
F Roeterdink, JW Scheeren, WH Laarhoven
Index: Roeterdink, F.; Scheeren, J. W.; Laarhoven, W. H. Tetrahedron Letters, 1983 , vol. 24, # 22 p. 2307 - 2310
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Citation Number: 11
Abstract
The oxidation is accompanied by the occurrence of a purple colourlo. This has been ascribed to the presence of a radical cation 8 as detected by ESRl'. An analogous intermediate has been supposed by Urry and Sheeto'j in the oxidation of tetrakis (dimethylamino) ethylene(1). It is, however, improbable that 8 is on the chemiluminescence reaction path as we found that the lifetime of the radical cation, as measured by ESR and ...
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