Abstract
Benzimidazolyl formazans were titrated spectrophotometrically and their base constants were determined. On the basis of quantum mechanical calculations of electron spectra a hypothesis concerning the chelate structure of the unsymmetrical benzimidazolyl formazans is proposed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 822–826, June, 1985.
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Yalandina, A.I., Kovalev, E.G., Lipunova, G.N. et al. Structure and color of protonated benzimidazolyl formazans. Chem Heterocycl Compd 21, 684–688 (1985). https://doi.org/10.1007/BF00515073
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DOI: https://doi.org/10.1007/BF00515073