Notizen: 13C-NMR an paramagnetischen Phenylmetallocenen1: Analogie zum Benzylradikal.
Open Access
- 1 August 1976
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 31 (8) , 1153-1154
- https://doi.org/10.1515/znb-1976-0833
Abstract
The 13C NMR spectra of seven phenylated paramagnetic metallocenes have been recorded. From the spectra the 13C hyperfine coupling constants A(13C) have been extracted and compared with corresponding A(1H). It is found that the phenyl A′s in nickelocenes and cobaltocenes behave as in benzyl radical being reduced by a factor of 27. This offers a new route to informations about spin density distribution in substituted methyl radicals.Keywords
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