In recent times, Nickel has become a powerful alternative transition metal catalyst for performing
cross-coupling reactions due to its low cost and better sustainability. Thus, a sustainable Nicatalyzed
C-Se cross coupling has been developed in the presence of catalytic amount of copper iodide
as co-catalyst. A wide range of substituted diaryl selenides has been synthesized by this Ni-Cu dual
catalyzed C-Se cross coupling. The reaction is following an oxidative addition and reductive elimination
pathway where Cu is playing an important role in transmetalation. The mechanism of the reaction
was established by several experimental techniques.
Keywords: Nickel, copper, cross-coupling, organoselenides, green chemistry, dual catalysis, transition metal.
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