Figure 5.
Influence of cysteine (top) and cystine (bottom) on the oxidation of HMF with Au/C, Pt/C, Pd/C, and Ru/C (100 °C, 10 bar synthetic air, 5 h, 2 equiv. Na2CO3, M/HMF=1 : 100 or Ru/HMF=1 : 50).
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