[Ag(py)2MnO4] in benzene 0.75 h;

sodium perchlorate in N,N-dimethyl-formamide Ambient temperaturecathode: S-C, working potencial: -0.9 V, current intensity at the beginning: 200 mA;

trislt;trinitratocerium(IV)gt; paraperiodate in benzene 5 h; Heating;