The electrochemical oxidation of aldehyde-N-aroylhydrazone has been studied in the presence of NaClO 4 as supporting electrolyte in MeOH solution using cyclic voltammetry and controlled potential electrolysis.The results indicate that intramolecular cyclization of aldehyde-N-aroylhydrazone has been successfully performed at a platinum electrode in an undivided cell with good yields of the corresponding 1,3,4oxadiazoles at ambient conditions. The reaction products were characterized by spectroscopic methods and a mechanism was deduced from voltammetry studies. The antifungal activity of the synthesized compounds was evaluated on Fusarium oxysporum, Alternaria solani, Candida albicans and Aspergillus niger. The results revealed that all the synthesized compounds have significant antifungal activity against the tested fungi. Among the synthesized derivatives 7b, 7d, 7g, 7h, 7i, 7j and 7r were found to be the most effective antifungal compounds.

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A novel, efficient, and ecocompatible electro copolymerization of anilines at platinum electrode using acetonitrile as non-aqueous solvent and lithiumperchlorate as supporting electrolyte was carried and described here. The progress and mechanistic study of copolymerization was done using cyclic voltammetry. The reaction proceeded smoothly and quantitatively at ambient temperature.