Recyclable Catalysts for Palladium-Catalyzed C[BOND]O Coupling Reactions, Buchwald–Hartwig Aminations, and Sonogashira Reactions


  • This work was funded by the State of Mecklenburg-Western Pomerania, the BMBF, and the DFG (Leibniz Prize). We thank Dr. W. Baumann, Dr. C. Fischer, and S. Buchholz (all LIKAT) for their analytical support.


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Simply reuse: Homogeneous palladium catalysts are effective and attractive tools for advanced organic synthesis (see example). Compound 1 belongs to a new class of ligands that enable recycling of the precious-metal catalyst directly from the reaction without any heterogenization.