Antibacterial and antifungal activity of derivatives 3-(alkylthio)-4-R-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole

• Main Authors: O. A. Suhak, O. І. Panasenko, Ye. G. Knysh, O. M. Kamyshny
• Format: Article
• Language: English
• Published: Zaporozhye State Medical University 2015-12-01
• Series: Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki
• Subjects: Anti-Microbial Agents; Antifangal Agents; 1 2 4-triazole
• Online Access: http://pharmed.zsmu.edu.ua/article/view/52625/49803

The amount of antibiotics has increased over the past decade. This also resulted in increase of microorganisms’ resistance to this class of drugs. Therefore, the synthesis of new compounds that have exhibited antimicrobial and antifungal activity and low level of side effects is an important issue of modern pharmacy. The 1,2,4-triazole system is very promising in this aspect. The aim was to study the antimicrobial and antifungal activity of 4-R-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole-3-thiol and 3-(alkylthio)-4-R-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole. Methods and results. In the study "serial dilutions" method has been used. The criteria for the activity of given compound was the minimum inhibitory concentration (MIC) which is the lowest concentration of drug that inhibits the growth of the test culture and the minimum bactericidal concentration (MBC) which is the lowest concentration of drug that causes bactericidal effect. Test compounds are derivatives of 4-R-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole-3-thiol and 3-(alkyl-thio)-4-R-5-(thiophene-2-ylmethyl)-4H-1,2,4-triazole which exhibit antifungal and antimicrobial activity. Conclusion. The most active of the studied 1,2,4-triazole derivatives is 4 (4-methyl-3-(octylthio)-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole), which manifests as antifungal and antimicrobial activity. Some regularity between structure and action has been investigated.