In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 1111-67-7, name is Cuprous thiocyanate, introducing its new discovery. category: copper-catalyst
Copper-Mediated [(Diethylphosphono)difluoromethyl]thiolation of alpha-Bromo Ketones
We report herein a straightforward access to alpha-[(diethoxyphosphoryl)difluoromethyl]thiolated ketones. The methodology, which involves the nucleophilic [Cu]CF2PO(OEt)2 species, has allowed the formation of the targeted compounds in moderate to high yields by using a simple procedure. This method represents a convenient alternative to the known approaches for the introduction of this emergent fluorinated motif.
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Reference：
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”