Abstract
ISOTOPE shifts in the infra-red have been reported for a number of compounds containing deuterium, nitrogen-15 and oxygen-18, for example, the work of Pinchas et al.1,2, but little has been published on carbon-13- or carbon-14-labelled compounds. George3 has examined the spectrum of 1-13C-propene-l, and Karabatsos4,5 some 13C-di-iso-propyl ketones and 2,2-dimethyl propionic acid; as regards carbon-14 compounds, only the spectra of carbon dioxide and barium carbonate appear to have been reported hitherto.
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References
Pinchas, S., Samuel, David, and Weiss-Broday, Marta, J. Chem. Soc., 3968 (1962).
Lapidot, A., Pinchas, S., and Samuel, David, J. Chem. Soc., 1128 (1963).
George, W. O., Nature, 194, 672 (1962).
Karabatsos, G. J., J. Org. Chem., 25, 315 (1960).
Karabatsos, G. J., J. Org. Chem., 25, 1409 (1960).
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BAXTER, B., HORSLER, A. Isotope Effects in the Infra-red Spectra of some Carbon-14-labelled Acids, an Ester and Sodium Salt. Nature 204, 675–676 (1964). https://doi.org/10.1038/204675a0
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DOI: https://doi.org/10.1038/204675a0
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