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Keywords:

  • alkenes;
  • calorimetry;
  • carbon dioxide;
  • carboxylation;
  • electrochemistry
Thumbnail image of graphical abstract

Electron transfer turns the chemically inert CO2 molecule into a reactive radical anion. In their Communication on page 9327 ff., C.-K. Siu, M. K. Beyer, and co-workers show how CO2.−, stabilized in a water cluster, attacks the C[DOUBLE BOND]C bond of methyl acrylate to form a new covalent bond. Without the hydration shell, however, neutral CO2 is released.