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Synthesis of imidazo[4,5-b]quinoxaline 3-oxides from reactions of furazano[3,4-b]quinoxaline 1-oxides with nitrones and diazo compounds

✍ Scribed by John K. Gallos; Elizabeth Malamidou-Xenikaki; Pygmalion S. Lianis; Labros I. Spyrou


Book ID
112130697
Publisher
Journal of Heterocyclic Chemistry
Year
1993
Tongue
English
Weight
300 KB
Volume
30
Category
Article
ISSN
0022-152X

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The electrochemical behaviour of the title compounds at Hg, Pt and Pt/n(upd) electrodes has been studied in aqueous HClO, solutions. Furazano[3&b]quinoxaline l-oxides undergo a reversible Celectron reduction to 2,3[1H,4H]quinoxalinedione dioximes, which can be. further reduced at more negative poten