Organonickel σ-Complexes—Key Intermediates of Electrocatalytic Cycles

Author： Yakhvarov D. G.   Budnikova Yu. G.   Sinyashin O. G.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 1023-1935

Source： Russian Journal of Electrochemistry, Vol.39, Iss.11, 2003-11, pp. : 1261-1270

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Abstract

Electrochemical reduction of nickel complexes with 2,2′-bipyridyl in the presence of ortho-substituted aromatic bromides or white phosphorus leads to the formation of highly reactive organonickel σ-complexes that are capable of selectively reacting with diverse substrates with the formation of cross-association products. Mechanisms of electrocatalytic processes involving organic halides, chlorophosphines, white phosphorus, and nickel complexes with 2,2′-bipyridyl are studied by the cyclic voltammetry and preparative electrolysis methods. Key intermediates of processes that occur in metallocomplex catalysis are determined.

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