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Portal znanstvenih časopisa Republike Hrvatske
Croatica Chemica Acta, Vol.79 No.2 Srpanj 2006.
Izvorni znanstveni članak
Electrochemical Investigations of Sydnone Derivatives at Glassy Carbon Electrode
B. S. Sherigara
Y. Shivaraj
Ronald J. Mascarenhas
Satheesh Rainoji
Balakrishna Kalluraya
Puni tekst: pdf (176 KB),
Engleski,
Str. 273 - 279
,
Sažetak
Electrochemical reduction of the –N=N– moiety of sydnone derivatives, like 3-phenyl sydnone, tolyl sydnone and anisyl sydnone, was studied using cyclic voltammetry at a glassy carbon electrode. In acid medium, the above compounds were found to show irreversible electrochemical charge transfer in the pH range studied. Electrochemical studies of these sydnones were carried out in partially aqueous media containing organic co-solvents such as acetonitrile, dimethylformamide, methanol and dimethylsulphoxide. Physical parameters such as the charge transfer coefficient and diffusion coefficient, as well as the effects of variation of the electroactive species concentration, sweep rate, organic solvents, and pH on peak parameters were studied. The reduced products were characterized by IR, NMR and mass spectral studies. The
effect of surfactants on the electrochemical reduction of 3-phenyl sydnone was studied using cationic, anionic and non-ionic surfactants.
Ključne riječi
voltammetry; reduction; sydnone; glassy carbon electrode; surfactants
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