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Pakistan Journal of Pharmaceutical Sciences. 2018; 31 (4 [Supp.]): 1501-1510
en Inglés | IMEMR | ID: emr-199542

RESUMEN

N-[Substituted]-5-[1-[4-methoxyphenylsulfonyl]piperidin-4-yl]-4H-1,2,4-triazol-3-ylthio] acetamide were synthesized by following conventional as well as microwave assisted protocol through five consecutive steps under theimpact of various reaction conditions to control the reaction time and the yield of product. Starting from 4- methoxybenzenesulfonyl chloride and ethyl isonipecotate, product 3 was obtained which was converted into product 4by treating with hydrazine hydrate. In step 3, the product 4 was refluxed with methyl isothiocyanate and KOH to yield compound 5 which was finally treated with variety of N-substituted acetamides to yield an array of different new compounds [8a-k]. These synthesized compounds were evaluated for their inhibition potential against bovine carbonic anhydrase [bCA-II], acetylcholinesterase [AChE] and butyrylcholinesterase [BChE] enzymes. Compound 8g demonstrated good activity against bCA-II, AChE and BChE with IC50 values of 8.69 +/- 0.38 MuM, 11.87+/-0.19 MuM and 26.01+/-0.55 MuM respectively. SAR studies assisted with molecular docking were carried out to explore the mode of binding of the compounds against the studied enzymes

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