Antibacterial Activity of Thioetherhydroxyethylsulfonamide Derivatives

Author(s): Walcimar T. Vellasco Junior, Guilherme P. Guedes, Victor Facchinetti, Thatyana R.A. Vasconcelos, Maria G.F. Vaz, Wilson Cunico, Marcus V.N. de Souza, Geraldo R. de Paula, Maria E.C.K. Fleming, Claudia R.B. Gomes.

Journal Name: Medicinal Chemistry

Volume 10 , Issue 3 , 2014

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Thioetherhydroxyethylsulfonamide derivatives were synthesized and evaluated for their in vitro antibacterial activity against Escherichia coli (ATCC 25922), Pseudomonas aeruginosa (ATCC 27853) and Staphylococcus aureus (ATCC 25923). Results have shown that compounds 8c and 9e display potent activity (MIC = 0.125 µg/mL) against E. coli when compared with the standard drug sulfamethoxazole (SMZ, MIC < 0.5 µg/mL) for this same strain. All the new compounds were fully identified and characterized by NMR (1H and 13C) and X-ray crystallography (for compound 8c). This class of compounds can be considered as a good starting point for the development of new lead molecules in the fight against multi-drug bacterial resistance.

Keywords: Antibacterial, chemical biology, drugs, sulfonamides, thioetherhydroxyethylsulfonamides, X-Ray.

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Article Details

Year: 2014
Page: [271 - 276]
Pages: 6
DOI: 10.2174/1573406410666140218103022
Price: $58

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