Iron Catalyzed CO2 Activation with Organosilanes
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Iron nanoparticles generated in situ from [Fe3(CO)12] catalyzed CO2 reduction in the presence of Et3SiH as a reductant and tetrabutylammonium fluoride as a promoter to yield silyl formate (1s) under relatively mild reaction conditions. Additionally, when CO2 hydrosilylation was carried out in water, the product of CO2 reduction was formic acid. Additionally, a similar reaction using [Fe3(CO)12] as a catalytic precursor, PhSiH3 as a reductant, and CO2 in the presence of amines allowed the immediate formation of ureas at room temperature. Here, CO2 acted as a C1 building block for value-added products.
KeywordsCarbon dioxide Reduction Silane Formate Iron Nanoparticles Urea Catalysis
We thank CONACYT 178265 and PAPIIT-DGAPA-UNAM 202516 for their financial support of this work. T. J-V. thanks CONACYT (583731) for graduate studies grant. We also thank Dr. Alma Arévalo for her technical assistance.
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