Novel pyrazolyl-s-triazine derivatives, molecular structure and antimicrobial activity

Add time:07/13/2019    Source:sciencedirect.com

A new series of pyrazole-containing s-triazine derivatives were synthesized by reaction of the corresponding s-triazinyl hydrazine derivatives with acetylacetone in the presence of HClO4 or DMF/TEA. The former method allowed the preparation of the target products with higher yields. All compounds were fully characterized. X-ray single crystal diffraction for two representative compounds (4-(4,6-bis(3,5-dimethyl-1H-pyrazol-1-yl)-1,3,5-triazin-2-yl)morpholine and N-benzyl-4-(3,5-dimethyl-1H-pyrazol-1-yl)-6-(piperidin-1-yl)-1,3,5-triazin-2-amine) was studied and the molecular structures were optimized using the DFT/B3LYP method. The structures were found to be in agreement with X-ray structures. The antimicrobial and antifungal activity of the prepared compounds were tested against the growth of several microorganisms.

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