Abstract
The spectra of the Iodine-127 nucleus could not be readily obtained since it has a spin number, I, of 5/2 and a nonspherical charge distribution. When we applied 127I NMR to organic iodides, the I− and IO4− signals of organic molecules provided a clear singlet in solutions of (CD3)2S(O) or (CD3)2NC(O)D. The spectra of 127I NMR revealed the oxidation state of iodine atoms in the organic molecule, which would not have been evident in the 1H and 13C NMR spectra. Here, we report the practical examples of the characterization of organic iodides via solution-127I NMR spectroscopy.
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