Abstract
Nonfused bis-1,3,4-oxadiazoles were synthesized by reaction of 5-substituted mono-and bis-tetrazoles with mono-and dicarboxylic acid chlorides. The results of kinetic studies showed that the transformation of tetrazoles into 1,3,4-oxadiazoles is accelerated by 1 to 2 orders of magnitude on addition of a catalytic amount of dimethylformamide, triethylamine, or pyridine.
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Original Russian Text © L.I. Vereshchagin, A.V. Petrov, V.N. Kizhnyaev, F.A. Pokatilov, A.I. Smirnov, 2006, published in Zhurnal Organicheskoi Khimii, 2006, Vol. 42, No. 7, pp. 1067–1072.
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Vereshchagin, L.I., Petrov, A.V., Kizhnyaev, V.N. et al. Polynuclear nonfused bis(1,3,4-oxadiazole)-containing systems. Russ J Org Chem 42, 1049–1055 (2006). https://doi.org/10.1134/S1070428006070219
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DOI: https://doi.org/10.1134/S1070428006070219