Carbon-13 and proton magnetic resonance spectra of 2,2-dialkyl-5,5-dimethylcyclohexane-1,3-diones (2,2-dialkyldimedones)
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 11,p. 1434-1437
- https://doi.org/10.1039/p19780001434
Abstract
Proton and natural abundance carbon-13 Fourier transform n.m.r. spectra of ten 2,2-dialkyldimedones have been examined at 100 and 20 MHz respectively. Chemical shifts have been assigned in each case. In contrast to the significant long-range anisotropic shielding observed in the 1H n.m.r. spectra of 2-benzyl compounds, there was a slight deshielding of the corresponding carbon nuclei in the 13C spectra. The preparation of several new dialkyldimedones is also described.Keywords
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