Abstract
Hydrogenations in aqueous systems with the soluble [Pd(alizarin monosulfonate)2] catalyst resulted in extensive deuteration of crotonic, trans-2-pentenoic and itaconic acids regardless of whether the deuterium source was D2 or D2O. Itaconic acid was deuterated up to 3.6 D/methylsuccinic acid. Detailed 1H- and 13C-NMR studies identified six isotopomers of the deuterated methylsuccinic acid product and revealed an important role of the H/D exchange on the catalytically active Pd-intermediate.
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Papp, É., Bányai, I. & Joó, F. Multiple Deuteration of Water-Soluble Olefinic Acids with a [Pd(Alizarin Monosulfonate)2] Catalyst. Reaction Kinetics and Catalysis Letters 69, 23–30 (2000). https://doi.org/10.1023/A:1005628406276
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DOI: https://doi.org/10.1023/A:1005628406276