Long-range proton hyperfine couplings in radical cations of carbonyl compounds
- 1 January 1983
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 19,p. 1090-1092
- https://doi.org/10.1039/c39830001090
Abstract
Large non-aldehydic 1H hyperfine couplings in the radical cations of four carbonyl compounds are assigned to long-range hyperfine interactions relayed through a trans(W-plan) arrangement of C–C and C–H σ bonds; for example, the two strongly coupled hydrogens in the cyclohexanone radical cation are identified by deuterium substitution as the ‘δ’ equatorial pair at C-3 and C-5 rather than the ‘γ’ equatorial pair at C-2 and C-6 assigned previously.Keywords
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