Abstract
C-H bond oxygenation reactions are highly important as they increase the accessibility of pharmaceuticals in a sustainable way. So far, mainly homogeneous catalysts exist for these reactions and most of these strategies suffer from limited scope, the use of high loading of expensive and complex catalysts, use of expensive oxidants, and low recyclability or selectivity. Replacing the strong oxidants by oxygen and introducing heterogeneous photocatalysts can bring selectivity in these reactions and will surely enhance sustainability. While homogeneous photocatalysts render high atom efficiencies and selectivity, heterogeneous catalysts are more preferable on an industrial level due to their recyclability, robustness and economic nature. To achieve this target, I will develop novel and robust heterogeneous photocatalysts which will provide high selectivity and should be recyclable after the oxygenation reactions. At the end, detailed characterizations and mechanistic experiments will allow us to design wide applications of this strategy.
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