Azizur Rehman, Muhammad Athar Abbasi, Sabahat Zahra Siddiqui, Ayesha Mohyuddin, Sohail Nadeem, Syed Adnan Shah.
Synthesis, spectral analysis and biological evaluation of Nalkyl/aralkyl/aryl-4-chlorobenzenesulfonamide derivatives..
Pak J Pharm Sci Jan ;29(5):1489-96.

New potent organic compounds were synthesized with an aim of good biological activities such as antibacterial and anti-enzymatic. Three series of sulfonamide derivatives were synthesized by treating N-alkyl/aryl substituted amines (2a-f) with 4-chlorobenzensulfonyl chloride (1) to yield N-alkyl/aryl-4-chlorobenzenesulfonamide(3af) that was then derivatized by gearing up with ethyl iodide (4), benzyl chloride (5) and 4-chlorobenzyl chloride (6) using sodium hydride as base to initialize the reaction in a polar aprotic solvent (DMF) to synthesize the derivatives, 7a-f, 8af and 9a-f respectively. Structure elucidation was brought about by IR, 1H-NMR and EIMS spectra for all the synthesized molecules which were evaluated for their antibacterial activities and inhibitory potentials for certain enzymes.

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