Abstract
A series of silica-tethered Ru complexes were easily prepared and further analyzed by sophisticated analytical techniques such as FTIR, N2 physisorption, ICP-OES and XPS analysis. After proper characterization of catalyst structure, we exploited them to synthesize formic acid followed by CO2 hydrogenation reaction. To determine the exact amount of reaction product (formic acid) in the reaction mixture we performed the 1H NMR analysis, using dioxane as an internal slandered. No degradation of dioxane as well as the side product formation was recorded in this study. Reported catalytic systems were found active and stable in terms of formic acid formation and catalyst recycling experiment up to nine consecutive runs.
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