M. Sc. Amou Akhgarnusch, Dr. Robert F. Höckendorf, Dr. Qiang Hao, K. Philip Jäger, Dr. Chi-Kit Siu and Prof. Dr. Martin K. Beyer Carboxylation of Methyl Acrylate by Carbon Dioxide Radical Anions in Gas-Phase Water Clusters Angewandte Chemie International Edition 52
The addition of CO2 to olefins in nanoscale water droplets was studied by mass spectrometry. One electron is enough to turn a CO2 molecule into its bent, reactive radical anionic form (left in scheme), which is stabilized by a hydration shell. This species reacts with methyl acrylate by radical addition to the carbon–carbon double bond. Without the hydration shell, however, neutral carbon dioxide is released.
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