Electrochemical reduction of 4-thienylquinazoline in dimethylformamide*
TL;DR: In this paper, the authors showed that 4-thienylquinazoline (4-TQ) reduction at the dropping mercury electrode in dimethylformamide solutions containing 0.1 M tetrabutyl ammonium iodide supporting electrolyte gave two well-defined diffusion controlled waves.
About: This article is published in Journal of Electroanalytical Chemistry.The article was published on 1980-10-24. It has received 2 citations till now. The article focuses on the topics: Dropping mercury electrode & Supporting electrolyte.
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TL;DR: In this paper, a disproportionation reaction mechanism was proposed for 4-TQ reduction in acetonitrile, based on controlledpotential electrolysis and cyclic voltammetric experiments.
Abstract: The electroreduction of 4-(2-thienyl)quinazoline (4-TQ) in acetonitrile solutions gave a single two-electron well-defined polarographic wave. The well-defined wave was found to be diffusion-controlled and irreversible on the basis of the usual criteria. Based on the controlled-potential electrolysis and cyclic voltammetric experiments, a disproportionation reaction mechanism is suggested for 4-TQ reduction in acetonitrile.
2 citations
TL;DR: In this paper, the electrochemical behavior of 4(2′-thienyl)quinazoline (4TQ) was studied in acid solutions of varying ionic strengths using polarography, cyclic voltammetry and controlled-potential electrolysis.
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22 citations
TL;DR: In this paper, 2-hydroxypyrimidine (2-HP) is reversibly reduced (1e process) to a radical anion, whose dimerization is slower than its attack (it is a strong base) on unreduced 2-HP to abstract a proton (father-son reaction), producing the neutral free radical, which dimerizes more rapidly than the radical anions; the apparent faradaic n is less than one.
19 citations
TL;DR: In this paper, the polarographic reduction of di-aza compounds has been investigated in N,N-dimethylformamide (DMf) by two-and three-electrode polarography with an Hg-pool and Ag/AgCl as reference electrodes, respectively.
Abstract: The polarographic reduction of di-aza compounds has been investigated in N,N-dimethylformamide (dmf) by two- and three-electrode polarography with an Hg-pool and Ag/AgCl in dmf as reference electrodes, respectively The i vs V curves of the di-aza compounds show that the reduction products are more sensitive to water than the negative ions of the comparable hydrocarbon aromatics From the results obtained, we can conclude that, even with a water content less than 005%, protonated products are formed This can also be concluded for the mono-aza compounds from a critical examination of literature data The E1 values obtained for the first wave have been found to fit the correlation with the energy of the lowest vacant π-molecular orbital in the HMO approximation
19 citations
16 citations