Proceedings of nanoGe Fall Meeting19 (NFM19)
Publication date: 18th July 2019
Photoelectrocatalysis is an attractive alternative technique to use the sun energy power to decrease the applied potential in some chemical conversion reactions. The application of photoelectrocatalysis have been mostly focused in water splitting, CO2 reduction and contaminants degradation.1–3 However, considering high potentials, both reducing and oxidizing and the great versatility of semiconductor materials, it could be useful technique for the synthesis of more complex organic molecules with high added value. Also, allow us the posibilty for designing new routes to get the preparation of organic products that involve redox transformations in the starting reagents.
In this work, we propose to make a further step in this field, proposing a new photoelectrochemical route to synthetize aromatic imines, an interesting product as a building block in pharmaceutical industry. For this purpose, both reactions, the photoelectrocatalytic oxidation of primary alcohols to aldehydes and the nitroderived compound reduction, have to take place successfully. We want to explain how to work correctly to understand the overall contributions to the final photoelectrochemical reaction. In this sense, the study of different variables in our system (UV light, O2 or N2 atmosphere, reactive concentration and similar substituents) will be explained. The presence of H2O2 in the final solution is also investigated as a side product of interest.
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