Direct comparison of photoefficiencies of C-C bond scission in radical cations generated by photosensitized electron transfer and by irradiation of charge-transfer complexes

Przemyslaw Maslak, William H. Chapman

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Abstract

Quantum yields for C-C bond scission are at least 50 times larger in radical cations of methoxybicumenes (1.+) generated by quenching of the p-tetrachlorobenzoquinone (TCBQ) excited state (a process that results in triplet solvent-separated ion pairs) than in those obtained by the irradiation of [TCBQ ⋯ (1)] charge-transfer complexes (a reaction that yields singlet contact ion pairs).

Original languageEnglish (US)
Pages (from-to)1809-1811
Number of pages3
JournalJournal of the Chemical Society, Chemical Communications
Issue number23
DOIs
Publication statusPublished - Jan 1 1989

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All Science Journal Classification (ASJC) codes

  • Molecular Medicine

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