Recent Developments in Cross-Coupling Reactions

Dear Colleagues,

Cross-coupling reactions are reactions in organic chemistry in which two different fragments are combined with the help of a metal catalyst to form a product. For instance, R-M, where R is an organic fragment and M is a main group center, reacts with an organic halide (R1-X) to produce a new carbon–carbon bond. This protocol is used in the majority of arylations. These are used to form carbon–carbon and carbon–heteroatom bonds (C-C and C-X, respectively).

In addition, the importance of cross-coupling reactions using catalysts based on transition metals is significant in methodologies that use heterogeneous catalysis, as they play a fundamental role in the production of important compounds in the pharmaceutical industry as well as polymers. In 2010, Akira Suzuki, Ei-ichi Negishi, and Richard F. Heck were awarded a Nobel Prize in Chemistry for their work on palladium-catalyzed cross-coupling reactions.

Moreover, catalysts such as palladium and palladium-supported catalysts are frequently useful in the formation of carbon–carbon and carbon–heteroatom bonds due to their high functional group tolerance. These catalysts are also stable at elevated temperatures, in water, and in air. Many researchers around the globe would like to develop coupling reactions with minimal metal traces in the products. In addition, palladium-based catalysts are becoming more common in organic chemistry for the formation of C-C and C-heteroatom (C-X) bonds.

Dr. Ramesh Katla
Dr. Y. V. D. Nageswar
Guest Editors

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