Organic Magnetic Resonance p. 169 - 171 (1981)
Update date:2022-07-29
Topics:
Majerski, Zdenko
Vinkovic, Vladimir
Meic, Zlatko
Carbon-13 NMR spectral data for a series of symmetrical 2,6-disubstituted adamantanes (O=, CH2=, CH3, OH, OCOCH3) are presented.The substituent effects on 13C chemical shifts are additive, except for carbons 2 and 6 in 2,6-adamantanedione.The non-additivity of the substituent effect in the diketone can be interpreted in terms of a through-space interaction of the carbonyl ?-electrons; the additivity in the other derivatives indicates that there is no appricable interaction between the substituents.
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