Direct Electrochemical Synthesis of Anionic Complexes of Metallic Elements

Abstract
The tetraethylammonium salts of the anionic bromo complexes of Fe(III), Co(II), Ni(II), Cu(II), Au(III), Cd(II), In(III) and Sn(IV) have been prepared in gram quantities by the direct electrochemical oxidation of the metal in question. The novel features of the method are (a) its simplicity and speed; (b) the solution phase, which consists of (C2H5)4NBr + Br2 in 80:20 benzene: methanol; and (c) the high applied voltage (∼ 50 v).

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