Substituent effects on the rotational strength of the n–π* carbonyl band
- 1 January 1967
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2061-2066
- https://doi.org/10.1039/j19670002061
Abstract
The quantitative contribution of a substituent in the α-axial position of a cyclohexanone derivative to the rotatory strength of the 3000 Ån–π* carbonyl band is discussed. Calculations of the extended Hückel type on a model compound indicated the importance of delocalisation through the σ framework and predict variation of rotatory strength with electronegativity and overlap. Observed values of substituent contributions are discussed in terms of these predictions.Keywords
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