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Journal of the Mexican Chemical Society
versión impresa ISSN 1870-249X
Resumen
AHAMED, Anis et al. Synthesis of Novel Pyridine-connected Piperidine and 2H-thiopyran Derivatives and their Larvicidal, Nematicidal, and Antimicrobial Activities. J. Mex. Chem. Soc [online]. 2018, vol.62, n.4, pp.135-147. Epub 02-Jul-2020. ISSN 1870-249X. https://doi.org/10.29356/jmcs.v62i4.472.
A series of novel pyridine-connected piperidine derivatives (2a-g) and pyridine-connected 2H-thiopyran derivatives (4a-g) were synthesized and evaluated for larvicidal, nematicidal, and antimicrobial activities. Compound 4e exhibited larvicidal activity against second instar larvae with an LD50 value of 0.8 μg/mL. In addition, 4e was most effective against root knot nematode Meloidogyne javanica , with an LD50 value of 3.2 μg/mL. Compounds 2e (MIC: 4 μg/mL) and 2d (MIC: 4 μg/mL) exhibited high antibacterial activity against Klebsiella pneumonia, and Escherichia coli, respectively. Compounds 4b (MIC: 0.25 μg/mL) and 4f (MIC: 2 μg/mL) showed high antifungal activity against Candida albicans and Microsporum audouinii, respectively. Therefore, overall activity profiles envisages that compounds 2e, 2d, 4e, 4b, and 4f could be employed for the development of new classes of drugs with larvicidal, nematicidal, and antimicrobial activities.
Palabras llave : Larvicidal activity; Nematicidal activity; Antimicrobial activity; Piperidine; 2H-Thiopyran derivatives.