Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Properties of Radical Cations Generated by the Pulse Radiolysis of 1,ω-Bis(diarylethenyl)alkanes. Trapping of Distonic 1,4-Radical Cation by Molecular Dioxygen
Toshiyuki TamaiKazuhiko MizunoIsao HashidaYoshio OtsujiAkito IshidaSetsuo Takamuku
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1994 Volume 23 Issue 1 Pages 149-152

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Abstract

Physical and chemical properties of radical cations generated from Ar2C=CH(CH2)nCH=CAr2 (Ar = 4-CH3OC6H4, n = 2–4) were studied by use of pulse radiolysis and γ-radiolysis techniques. When n = 3 and 4, 1,4-radical cations were formed via intramolecular cyclization of initially formed radical cations. The 1,4-radical cations were trapped by molecular dioxygen at the diarylalkylmethyl radical site, which suggests the “distonic” character of the species.

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© 1994 The Chemical Society of Japan
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