Background: Design and synthesis of pyrazole‑ dimedone derivatives were described by one‑ pot multicomponent reaction as new antimicrobial agents. These new molecular framework were synthesized in high yields with a broad substrate scope under benign conditions mediated by diethylamine (NHEt ). The molecular structures of the synthe‑ 1 13 sized compounds were assigned based on different spectroscopic techniques ( H‑ NMR, C‑ NMR, IR, MS, and CHN). Results: The synthesized compounds were evaluated for their antibacterial and antifungal activities against S. aureus ATCC 29213, E. faecalis ATCC29212, B. subtilis ATCC 10400, and C. albicans ATCC 2091 using agar Cup plate method. Compound 4b exhibited the best activity against B. subtilis and E. faecalis with MIC = 16 µg/L. Compounds 4e and 4l exhibited the best activity against S. aureus with MIC = 16 µg/L. Compound 4k exhibited the best activity against B. subtilis with MIC = 8 µg/L. Compounds 4o was the most active compounds against C. albicans with MIC = 4 µg/L. Conclusion: In‑ silico predictions were utilized to investigate the structure activity relationship of all the newly syn‑ thesized antimicrobial compounds. In this regard, a ligand‑ based pharmacophore model was developed highlighting the key features required for
Chemistry Central Journal – Springer Journals
Published: Mar 14, 2018
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