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- Title
Synthesis, Characterization, Antibacterial, a-Glucosidase Inhibition and Hemolytic Studies on Some New N-(2,3-Dimethylphenyl)benzenesulfonamide Derivatives.
- Authors
Abbasi, Muhammad A.; Islam, Mudassar; Aziz-ur-Rehman; Rasool, Shahid; Rubab, Kaniz; Hussain, Ghulam; Ahmad, Irshad; Ashraf, Muhammad; Shahid, Muhammad; Shah, Syed Adnan Ali
- Abstract
Purpose: To synthesize a series of new N-(2,3-dimethylphenyl)benzenesulfonamide derivatives with pharmacological analysis. Methods: N-(2,3-Dimethylphenyl)benzenesulfonamide (3) was synthesized by the reaction between 2,3-dimethylaniline (1) and benzenesulfonyl chloride (2) in aqueous basic medium. Compound 3 was further treated with various alkyl/aralakyl halides (4a-m) to yield new compounds, 5a-m, in a weak basic aprotic polar organic medium. The proposed structures of synthesized compounds were confirmed using proton-nuclear magnetic resonance (1H-NMR), infra-red spectroscopy (IR) and electron impact mass spectrometry (EIMS). The synthesized compounds were screened for in vitro antibacterial, antienzymatic and hemolytic activities using standard procedures. Results: All the synthesized compounds showed moderate to high activity against Gram-positive and Gram-negative bacterial strains. The molecules 5g and 5j exhibited good inhibition of a-glucosidase enzyme with half-maximal inhibitory concentration (IC50) of 59.53 ± 0.01 and 55.31 ± 0.01 µmoles/L, respectively, relative to acarbose with IC50 of 38.25 ± 0.12 µmoles/L. All the compounds exhibited cytotoxicity levels ranging from 27.20 ± 0.24 to 5.20 ± 0.41%, relative to Triton X-100. Conclusion: Compound 5f is the most potent antibacterial while 5j is the best a-glucosidase inhibitor; 5e showed the least cytotoxicity.
- Subjects
BENZENESULFONAMIDES; ANTIBACTERIAL agents; GLUCOSIDASE inhibitors; HEMOLYSIS & hemolysins; NUCLEAR magnetic resonance spectroscopy; INHIBITORY Concentration 50; CELL-mediated cytotoxicity
- Publication
Tropical Journal of Pharmaceutical Research, 2016, Vol 115, Issue 3, p591
- ISSN
1596-5996
- Publication type
Academic Journal
- DOI
10.4314/tjpr.v15i3.22