The synthesis of 4-amino -5-(pyridin-2(3)-Yl) -1,2,4-triazole (4H)-3-ylthio acetamide derivatives as potential anti-inflammatory substances
DOI:
https://doi.org/10.15587/2519-4852.2017.93332Keywords:
microwave synthesis, 4-amino-3-mercapto-1, 2, 4-triazole, pyridine, acetamides, alkylation, computer prediction, anti-inflammatory activityAbstract
Aim. A targeted synthesis of the potential anti-inflammatory agents – 4-amino-5-(pyridin-2-yl)- and 4-amino-5-(pyridin-3-yl)- 1,2,4-triazole (4H)-3-ylthio acetamides.
Materials and methods. The standard methods of organic synthesis, microwave synthesis, physico-chemical methods to proof the structure of the synthesized compounds were used for this work.
Results. Initial 4-amino-3-mercapto-5-(pyridine-2 (3)-yl)-4H-1,2,4-triazoles obtained from carboxylic acids hydrazides through the stage of obtaining of appropriate potassium dithiocarbazinate followed by condensation of hydrazine in the traditional boiling ethanole and microwave irradiation without solvent. The appropriate thioacetamides derivatives were obtained by alkylation of 4-amino-3-mercapto-5-(pyridin-2 (3)-yl)-4H-1,2,4-triazole by N-aryl substituted б-chloroacetamides in conditions of alkaline catalysis.
Conclusion. The synthesis of potential anti-inflammatory substances – 4-amino-5-(pyridin-2 (3)-yl)-1,2,4-triazole(4H)-3-ylthio acetamides was planned and carried out. It was established, that the initial intermediates synthesis – 4-amino-3-mercapto-5-(pyridine-2 (3)-yl)-4H-1,2,4-triazoles – can be carried out without solvent and without the use of lead acetate. For the compounds synthesized, pharmacological screening for anti-inflammatory activity was planned
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Copyright (c) 2017 Ганна Олегівна Сирова, Наталія Миколаївна Чаленко, Петро Овксентійович Безуглий, Анатолій Михайлович Демченко

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