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  • Title: Synthesis and in vitro antimicrobial studies of medicinally important novel N-alkyl and N-sulfonyl derivatives of 1-[bis(4-fluorophenyl)-methyl]piperazine.
    Author: Narendra Sharath Chandra JN, Sadashiva CT, Kavitha CV, Rangappa KS.
    Journal: Bioorg Med Chem; 2006 Oct 01; 14(19):6621-7. PubMed ID: 16784863.
    Abstract:
    A series of novel substituted 1-[bis(4-fluorophenyl)-methyl]piperazine derivatives (4a-g) and (5h-m) have been synthesized. The synthesized compounds were characterized by IR and 1H NMR. All the synthesized compounds were evaluated in vitro for their efficacy as antimicrobial agents against representative strains of Gram-positive (Staphylococcus aureus ATCC 25953, Streptococcus pneumoniae ATCC 49619, Bacillus cereus 11778, and Bacillus subtilis 6051) and Gram-negative bacteria (Escherichia coli ATCC 25922, Pseudomonas aeruginosa ATCC 2853, Proteus vulgaris ATCC 2853, and Salmonella typhi ATCC 9484) by paper disc diffusion and microdilution methods. Among the newly synthesized compounds 4e, 5l, and 5m showed potent antimicrobial activities, when compared to the standard drug.
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