Transition Metal Photocatalysts and Catalytic Reaction Mechanistic Studies

Dear Colleagues,

The discovery of new catalysts and catalytic reactions has provided many new ways to synthesize various functional molecules covering different areas, including life sciences and material sciences. The use of transition metal photocatalysts has allowed the performance of diverse organic transformations in an outstanding manner, characterized by high yields, turnover frequency, selectivity values, and access to novel molecular structures. These photocatalysts engage in single-electron transfer (SET) or energy transfer (EnT) processes with substrates, generating organic radicals which play a major role in organic synthesis. Notably, visible-light photocatalysis is a rapidly developing and powerful strategy to expand the applications of photochemistry in organic synthesis, as it closely adheres to the tenets of green and sustainable chemistry. This new kind of catalysis has opened the door to a variety of synthetically useful organic reactions.

Mechanistic studies of catalytic reactions are of great importance for the origins of various selectivities (such as chemo-, regio-, and stereoselectivities), and the understanding, optimization, and design of chemical reactions, especially transition metal catalysis. Once critical factors of a reaction mechanism are determined, ligands may be optimized, and new catalysts can be designed to improve yields and selectivity. Over the past few decades, fruitful collaborations between computational and experimental chemists have provided new and comprehensive mechanistic understanding and insights into these robust transition metal catalyzed reactions.

In this Special Issue, we wish to cover the most recent advances in all these aspects of transition metal photocatalysts and mechanistic studies on transition metal catalyzed reactions by hosting a mix of original research articles and critical reviews.

Prof. Dr. Xinyao Li
Guest Editor

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• transition metal catalysis
• transition metal photocatalyst
• mechanistic study
• DFT calculation