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Title: A comprehensive electrochemical studies on some synthesized substituted 3-arylazo-2,4,6-trimethylquinolines
Authors: Sharma, Pratibha
Kumar, Ashok
Pandey, Priti
Rane, Nilesh
Issue Date: Jun-2004
Publisher: NISCAIR-CSIR, India
IPC Code: Int.Cl.7 C 07 D 215/00
Abstract: A new facile method for the synthesis of fused skeleton of some substituted quinoline derivatives (1a-i) have been developed. Condensation of 2-ary lhydrazono pentane 2,4-diones with 4-aminotoluene under dehydrating condition led to synthesis and designing of a novel series of 3-arylazo-2,4 ,6-trimethyl quinoline as light brown crystals. Furthermore, their purity was ascertained by TLC resolution studies (xylene + ethylacetate, 7:3). Structures of all the synthesized compounds have been established on the basis of their consistent elemental , IR, NMR spectral data. The comprehensive study of electrochemical behaviour of all the synthesized compounds has been studied over a wide pH range at dropping mercury and glassy carbon electrodes. All the compounds were found to exhibit two-electron diffusion-cont rolled, irreversible, and two electron waves corresponding to the reduction of -N=N- moiety. On the basis of cyclic voltammetry, coulometry and product identification, a plausible reduction mechanism is suggested. Kinetic parameters i.e., charge-transfer coefficient (αn) and forward rate constant (Kof,h) have also been calculated. The effect of solvent composition, and supporting electrolyte on reduction have also been evaluated.
Page(s): 1320-1328
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections: IJC-B Vol.43B(06) [June 2004]

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