Abstract
The reaction of phenyl isocyanate with pyridoxal is carried out with the participation of hydroxymethyl and phenolic groups with the formation of dicarbamate derivatives. The reactions of pyridoxal azomethines with phenyl isocyanate, depending on the structure and the ratio of the starting reagents, lead to the formation of mono-, di- or tricarbamate derivatives. The product of addition of azomethine pyridoxal to phenyl isocyanate with the participation of a hydroxymethyl group was obtained.
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ACKNOWLEDGMENTS
The authors are grateful to the Collective Spectro-Analytical Center for Physicochemical Research of the Structure, Properties and Composition of Substances and Materials of the Federal Research Center “Kazan Scientific Center of the Russian Academy of Sciences” for technical support.
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Translated from Zhurnal Obshchei Khimii, 2021, Vol. 91, No. 8, pp. 1151–1158 https://doi.org/10.31857/S0044460X21080011.
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Kibardina, L.K., Trifonov, A.V., Dobrynin, A.B. et al. Reactions of Pyridoxal Derivatives with Phenyl Iso(thio)cyanates. Russ J Gen Chem 91, 1431–1437 (2021). https://doi.org/10.1134/S1070363221080016
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DOI: https://doi.org/10.1134/S1070363221080016