Photochemistry of cyclohexene oxide radical cations in freonic matrices at 77 K

[Display omitted] By employing EPR and UV/VIS spectroscopy and quantum chemical techniques, we demonstrated that the radical cations of cyclohexene oxide were stabilized upon radiolysis in freonic matrices at 77K in their distorted form (with the C–C bond in the oxirane fragment elongated to 0.179nm...

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Published in:Mendeleev communications 2018-11, Vol.28 (6), p.618-620
Main Authors: Sorokin, Ivan D., Gromov, Oleg I., Pergushov, Vladimir I., Pomogailo, Daria A., Mel’nikov, Mikhail Ya
Format: Article
Language:English
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Summary:[Display omitted] By employing EPR and UV/VIS spectroscopy and quantum chemical techniques, we demonstrated that the radical cations of cyclohexene oxide were stabilized upon radiolysis in freonic matrices at 77K in their distorted form (with the C–C bond in the oxirane fragment elongated to 0.179nm). Upon the action of light in the absorption band of these radical cations (λmax∼480–490nm), they undergo deprotonation, successively yielding 7-oxabicyclo[4.1.0]heptan-3-yl and 7-oxabicyclo-[4.1.0]heptan-2-yl radicals.
ISSN:0959-9436
DOI:10.1016/j.mencom.2018.11.018