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The robust valorization of carbon dioxide (CO2) stays at the center ofsustainable development. Since CO2 represents a low-energy compound, itstransformation into commercially coveted products is cumbersome. In the presentwork, we report a revolutionary method to obtain dimethyl carbonate (DMC) outof methanol (CH3OH) and CO2 catalyzed by sodium chloride (NaCl) and similarinorganic salts. The computational exploration revealed a mechanism offavorable catalysis, which was subsequently confirmed experimentally. Unlikeall competitive syntheses of DMC, the new one does not produce water and,therefore, the hydrolysis of a carbonate does not occur. No dehydrating agentsare necessary. The employed catalyst is cheap and permanently exists in thesame phase with the reactants and products. The action of NaCl was compared tothose of other alkali metal salts, LiI, LiCl, and KI, and competitiveperformances were recorded. The experimentally obtained result outperforms mostcompeting technologies according to the DMC yield, 19% with molecular sievesand 17% without molecular sieves. All existing competitors are excelled by thesimplicity and cleanness of the synthesis. The reported advance substantiallysimplifies the synthesis of linear organic carbonates and robustly valorizesCO2. Keywords: Dimethyl carbonate; carbon dioxide utilization; sodium chloride;methanol.

Revolutionary valorization of carbon dioxide into dimethyl carbonate is catalyzed by sodium chloride: cheap, clean, one-pot, and water-free synthesis