Evidence for Significant Through??Space and Through??Bond Electronic Coupling in the 1, 4??Diphenylcyclohexane??1, 4??diyl Radical Cation Gained by Absorption …

H Ikeda, Y Hoshi, H Namai, F Tanaka…

Index: Ikeda, Hiroshi; Hoshi, Yosuke; Namai, Hayato; Tanaka, Futoshi; Goodman, Joshua L.; Mizuno, Kazuhiko Chemistry - A European Journal, 2007 , vol. 13, # 33 p. 9207 - 9215

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Citation Number: 16

Abstract

Abstract Photoinduced single-electron-transfer promoted oxidation of 2, 5-diphenyl-1, 5- hexadiene by using N-methylquinolinium tetrafluoroborate/biphenyl co-sensitization takes place with the formation of an intense electronic absorption band at 476 nm, which is attributed to the 1, 4-diphenylcyclohexane-1, 4-diyl radical cation. The absorption maximum (λ ob) of this transient occurs at a longer wavelength than is expected for either the cumyl ...

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