Cathodic reduction of 4-nitroso-N,N-dimethylaniline at various electrode materials

Author: Polat K.   Aksu M.L.   Pekel A.T.  

Publisher: Springer Publishing Company

ISSN: 0021-891X

Source: Journal of Applied Electrochemistry, Vol.30, Iss.6, 2000-06, pp. : 733-736

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Abstract

This study is concerned with the cathodic reduction of 4-nitroso-N,N-dimethylaniline to 4-amino-N,N-dimethylaniline in 1.0 M HCl and 1.0 M H_2SO_4 containing 10% MeOH. The effect of cathode material, supporting electrolyte, electroactive compound concentration, temperature and current density in the electrochemical synthesis of 4-amino-N,N-dimethylaniline were investigated. The best cathode material was tin, which gave a selectivity of 92.7% with a current yield of 90.3% at a current density of 6 mA cm^−2. The final electrolysis product was obtained as its respective HCl and H_2SO_4 salts and their structures were elucidated using spectrochemical techniques.