Ruiz Montoya, M. published the artcileA Contribution to the Elucidation of the Reduction Mechanism of 2-Chloroisonicotinic Acid on Mercury Electrodes, Recommanded Product: 2-Chloroisonicotinic acid, the publication is Journal of the Electrochemical Society (2008), 155(8), F190-F195, database is CAplus.
This paper presents polarog. (d.c. and differential pulse) and voltammetric (linear-sweep cyclic voltammetric) studies of the electroreduction of 2-chloroisonicotinic acid (2-chloro-4-pyridinecarboxylic acid), 2-CISO, at Hg electrodes. The dissociation constants of 2-CISO were obtained from the UV-visible absorption spectra (pK of 0.5 ± 0.03 corresponding to the -COOH group) and by potentiometric titration (pK of 3.46 corresponding to the protonation-dissociation of the heterocyclic N). The electrochem. studies were performed in the acidity range 2.7M H2SO4 to pH 7. Above the last pH value no signals were observed The overall reduction process involves the uptake of 4 electrons. Kinetics parameters such as Tafel slopes and electrochem. reaction orders were determined at potentials corresponding to the foot of the waves. A reaction mechanism can be proposed, consisting of an electrochem.-chem. process having 2 reversible electron transfers preceding a chem. step. At the scan rates used in cyclic voltammetry, the rate-determining step is the 2nd irreversible electron transfer. At pH°0.5 the recombination of the carboxylate anion with the H+ ion takes place prior to the reduction process.
Journal of the Electrochemical Society published new progress about 6313-54-8. 6313-54-8 belongs to chlorides-buliding-blocks, auxiliary class Pyridine,Chloride,Carboxylic acid, name is 2-Chloroisonicotinic acid, and the molecular formula is C6H4ClNO2, Recommanded Product: 2-Chloroisonicotinic acid.
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