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Modification of the anticestodal drug 5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide with a view to improve its biological effect

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Abstract

Reactions of 5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide, the active substance of the drug Niclosamide (Phenasal), with higher amines (dodecan-1-amine, hexadecan-1-amine) and 1-(2-aminoethyl)-piperazine lead to the formation of the corresponding water-soluble ammonium salts with retention of pharmacophoric groups responsible for the antihelminthic effect, whereas no nucleophilic aromatic substitution of chlorine is observed. The product structure was determined by X-ray analysis.

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Correspondence to I. V. Galkina.

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Dedicated to Full Member of the Russian Academy of Sciences O.N. Chupakhin on his 80th anniversary

Original Russian Text © I.V. Galkina, D.R. Chubukaeva, Yu.V. Bakhtiyarova, V.I. Galkin, R.A. Cherkasov, D.R. Islamov, and O.N. Kataeva, 2014, published in Zhurnal Organicheskoi Khimii, 2014, Vol. 50, No. 6, pp. 818–822.

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Galkina, I.V., Chubukaeva, D.R., Bakhtiyarova, Y.V. et al. Modification of the anticestodal drug 5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide with a view to improve its biological effect. Russ J Org Chem 50, 800–804 (2014). https://doi.org/10.1134/S1070428014060074

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  • DOI: https://doi.org/10.1134/S1070428014060074

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