Siti Nurhanna Riduan, Prof. Jackie Y. Ying and Dr. Yugen Zhang Mechanistic Insights into the Reduction of Carbon Dioxide with Silanes over N-Heterocyclic Carbene Catalysts ChemCatChem 5
Which silane reacts first? Experimental results and DFT calculations of the N-heterocyclic carbene catalyzed reduction of carbon dioxide to methanol with silanes indicated that the overall process involved a three-step cascade reaction with the first hydrosilylation as the rate-determining step (see picture). This mechanism explains the pathway to the methoxide end product and the high hydrogen transfer yield.
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