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Citation: Wu Zhong-Da, Zhao Ming, Jiao Yang-Yang. Electrochemical Reduction of 3-Nitro-Benzoic Acid in DMSO Media[J]. Acta Physico-Chimica Sinica, ;1990, 6(05): 523-527. doi: 10.3866/PKU.WHXB19900504 shu

Electrochemical Reduction of 3-Nitro-Benzoic Acid in DMSO Media

1.
Chemistry Department, Beijing Normal University

Received Date: 2 September 1989
Available Online: 15 October 1990

The electrochemical reduction of 3-nitro-benzoic acid (3-NBA) has been investi-gated on Pt electrode in DMSO media by cyclic voltammetry and controlled potential electrolysis, in combination with ESR spectroscopy. The results show that 3-nitro-ben-zoic acid is reduced through a three-electron process to a of species of nitroso group. Hyperfine structures of ESR spectrum of the free radical were observed. The ESR parameters of the simulation have been determined as a_1~N = 10.91G, a_2~H=1.12G, a_4~H=a_6~H=3.38G, a_5~H=3.96G. The rate constant of the decay of free radical was evaluated as k=k=4.814×10~(-2)s~(-1).
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