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The synthesis and antiviral activity against yellow fewer virus of 2-(4,6-di(pyrrolidin-1-yl)-1,3,5-triazin-2-yl)-N-(alkyl, aryl)hydrazine-1-carbothioamides
Author(s) -
О. V. Моsкаlеnко,
Olena I. Barchina,
Serhii A. Tsyhankov,
Dmitry A. Lega,
Yu. A. Fedchenkova,
А. М. Демченко
Publication year - 2021
Publication title -
žurnal organìčnoï ta farmacevtičnoï hìmìï
Language(s) - English
Resource type - Journals
eISSN - 2518-1548
pISSN - 2308-8303
DOI - 10.24959/ophcj.21.234526
Subject(s) - chemistry , alkyl , hydrazine (antidepressant) , aryl , cytotoxicity , cyanuric chloride , cytopathic effect , medicinal chemistry , organic chemistry , in vitro , biochemistry
Aim. To synthesize 2-(4,6-di(pyrrolidin-1-yl)-1,3,5-triazin-2-yl)-N-(alkyl, aryl)hydrazine-1-carbothioamides and study their antiviral activity against yellow fever virus (YFV).Results and discussion. The target 2-(4,6-di(pyrrolidin-1-yl)-1,3,5-triazin-2-yl)-N-(alkyl, aryl)hydrazine-1-carbothioamides were obtained in three-step format from cyanuric chloride in good to high yields. The carbothioamides synthesized were estimated to possess the antiviral activity against YFV. The results obtained indicate that most of the compounds studied show the inhibitory activity against YFV in concentrations ≤10 μg/mL. For the most active substances, EC90 was in the range of 0.06 – 2.2 μg/mL. Good effective concentration values were accompanied by low levels of cytotoxicity resulting in excellent selectivity index values. The data obtained also indicate that the presence of an alkyl substituent in ortho-position of the N-aryl fragment is crucial for an effective inhibition of YFV growth.Experimental part. 2-(4,6-Di(pyrrolidin-1-yl)-1,3,5-triazin-2-yl)-N-(alkyl, aryl)hydrazine-1-carbothioamides were synthesized starting from cyanuric chloride in three steps by its successive interaction with two equivalents of pyrrolidine, hydrazine and a series of alkyl-/arylisothiocyanates. The antiviral and cytotoxic activities of the target carbothioamides were studied in the Southern Research Institute (SRI, Birmingham, Alabama) by the viral cytopathic effect reduction assay and the virus yield reduction assay.Conclusions. 2-(4,6-Di(pyrrolidin-1-yl)-1,3,5-triazin-2-yl)-N-(alkyl, aryl)hydrazine-1-carbothioamides synthesized have been proven to be a promising class of compounds for treating such a severe viral disease as yellow fever.

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