Abstract
The reaction of pyridoxal with 2,4-dihydroxybenzaldehyde in a hydrochloric acid solution gave 1-(5-formyl-2,4-dihydroxyphenyl)-7-hydroxy-6-methyl-1,3-dihydrofuro[3,4-c]pyridin-5-ium chloride. Treatment of the latter with sodium hydride in ethanol afforded a free aldehyde in 85% yield. A series of azomethines and imidazolidines was obtained by reacting the obtained aldehyde with various amines and diamines.
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Original Russian Text © L.K. Kibardina, A.V. Trifonov, Yu.I. Ivanova, M.A. Pudovik, E.M. Pudovik, A.R. Burilov, 2018, published in Zhurnal Obshchei Khimii, 2018, Vol. 88, No. 1, pp. 45–51.
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Kibardina, L.K., Trifonov, A.V., Ivanova, Y.I. et al. Azomethines Based on Pyridoxal-Derived Aromatic Aldehydes. Russ J Gen Chem 88, 41–47 (2018). https://doi.org/10.1134/S1070363218010073
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DOI: https://doi.org/10.1134/S1070363218010073