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Title: Synthesis and electrochemical behaviour of 2-[4'-(substituted)sulphonamoylphenyl]hydrazono ethyl-2-cyanoethanoate
Authors: Jain, Rajeev
Yadav, Ramji Lal
Karaiya, Shrinarayan
Arya, Virendra K.
Keywords: Cyclic voltammetry;DC polarography (DCP);Differential pulse polarography (DPP);2-[4'-(Substituted)sulphonamoylphenyl]hydrazono ethyl-2-cyanoethanoate (SHEC)
Issue Date: Sep-2011
Publisher: NISCAIR-CSIR, India
Abstract: Electrochemical behaviour of 2-[4'-(substituted) sulphonamoyl- phenyl]hydrazono ethyl-2-cyanoethanoate (SHEC) in Britton-Robinson buffers (pH 2.05-10.5) showed that all SHECs gave a single reduction wave at dropping mercury electrode. Cyclic voltammograms exhibited a well defined irreversible cathodic peak at glassy carbon electrode. On the basis of DC, differential pulse polarography and cyclic voltammetry, a reaction mechanism has been suggested. Kinetic parameters [charge transfer coefficient (na), forward rate constant (k°f,h) and diffusion-coefficient] have been calculated by polarographic and cyclic voltammetric methods. A plausible mechanism has also been suggested on the basis of protons involved in rate determining step and number of electrons involved in reduction process.
Page(s): 767-772
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.70(09) [September 2011]

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