13C nuclear magnetic resonance spectra of some ergosta-dienes and -trienes
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 6,p. 662-665
- https://doi.org/10.1039/p29740000662
Abstract
The natural abundance 13C spectra of several ergosta-dienes and -trienes, measured at 25·2 MHz, have been completely assigned by using off-resonance decoupling, acetylation shifts, and lanthanide-induced shifts. The effect of functional groups on the chemical shifts is highly sensitive to the environments of the functional group and the carbon atom under consideration, and analogies from simpler systems (e.g. cyclohexanes) are not always reliable.Keywords
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