HOMOGENEOUS HYDROGENATION OF CARBON-DIOXIDE WITH TRANSITION-METAL COMPLEXES

Recent advances in the efficiency of the homogeneous catalytic reduction of carbon dioxide may bring CO2 fixation by this method from a research curiosity into an industrially applicable process. The reduction of CO2 to bulk chemicals such as dimethylformamide, methyl formate, and methanol offers a safer alternative to toxic CO-based processes. This review describes stoichiometric and homogeneously catalyzed reactions of CO2, especially those which involve hydrogenation by hydrogen gas. The newly discovered advantages of supercritical CO2 as a medium for its own fixation will be particularly highlighted.