The catalytic effect of a Co(II)salen mediator on the reduction of cyclic vic-dibromide was investigated in ionic liquids by cyclic voltammetry. Macro-scale controlled potential electrolysis gave the corresponding debrominated product in moderate to good yields. The workup after electrolysis in an ionic liquid proved to be much simpler than that in organic solvents. The possibility of reuse of the ionic liquid was demonstrated to some extent.
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