EPR Study of the Radical Ions of Aryl-Substituted Propellanes

Autor:	Rowena Crockett, Georg Gescheidt, Jutta Körning, Gerald Dyker
Rok vydání:	1996
Předmět:	Aryl Organic Chemistry Acenaphthene Trimer General Chemistry Photochemistry law.invention chemistry.chemical_compound Propellane Crystallography Radical ion chemistry law Moiety Physical and Theoretical Chemistry Electron paramagnetic resonance Naphthalene
Zdroj:	Liebigs Annalen. 1996:1533-1539
ISSN:	1099-0690 0947-3440
Popis:	The radical anions and the radical cations of 1–3 in which three π systems are connected in three dimensions by a strained propellane spacer were studied by ESR/ENDOR/TRIPLE spectroscopy. The hyperfine data of acenaphthene (4) are compared with those of the fused π systems 5–10. In the relatively persistent radical anions of 1–3, the spin is mainly confined to the two naphthalene moieties. Whereas the radical cation of 2 resembles a naphthalene trimer, the radical cations of intact 1 and 3 cannot be detected. The ESR spectra recorded upon one-electron oxidation of 1 and 3 are assigned to the radical cations of 9 and 10, respectively, formed by the loss of one naphthalene moiety from the parent molecules.
Databáze:	OpenAIRE
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