Chapter 5: Homogeneous CO2 Hydrogenation
Published:19 Dec 2022
J. Ferrer, V. Passarelli, and D. Carmona, in Chemical Valorisation of Carbon Dioxide, ed. G. Stefanidis and A. Stankiewicz, The Royal Society of Chemistry, 2022, ch. 5, pp. 97-127.
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This contribution will focus on the hydrogenation of carbon dioxide to formic acid or methanol using homogeneous catalysts, mostly transition metal complexes, and molecular dihydrogen as the reductant. Homogeneously catalysed indirect reduction of carbon dioxide via hydrogenation of intermediates such as formamides, carbonates, carbamates and ureas is also considered. The proposed mechanisms for these transformations are revised.