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. Author manuscript; available in PMC: 2009 Mar 30.
Published in final edited form as: J Am Chem Soc. 2008 Mar 12;130(13):4212–4213. doi: 10.1021/ja7101218

Figure 1.

Figure 1

Cis molecular addition of parahydrogen to 1-13C-fumaric acid-d2 to produce 1-13C-succinic acid-d2. The catalytic reaction was carried out at 62 °C in H2O or D2O with substrate concentrations of 1–5 mM.