Synthesis of a new series of 3-functionalised-1-phenyl-1,2,3-triazole sulfamoylbenzamides as carbonic anhydrase I, II, IV and IX inhibitors

Autor: Baijayantimala Swain, Andrea Angeli, Srinivas Angapelly, Pavitra S. Thacker, Priti Singh, Claudiu T. Supuran, Mohammed Arifuddin
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Journal of Enzyme Inhibition and Medicinal Chemistry, Vol 34, Iss 1, Pp 1199-1209 (2019)
Druh dokumentu: article
ISSN: 1475-6366
1475-6374
14756366
DOI: 10.1080/14756366.2019.1629432
Popis: The synthesis of a novel series of 3-functionalised benzenesulfonamides incorporating phenyl-1,2,3-triazole with an amide linker was achieved by using the “click-tail” approach. The new compounds, including the intermediates, were assayed as inhibitors of human carbonic anhydrase (CA, EC 4.2.1.1) isoforms hCA I and II (cytosolic isoforms) and also for hCA IV and IX (transmembrane isoforms) taking acetazolamide as standard drug. Most of these compounds exhibited excellent activity against all these isoforms. hCA I was inhibited with Kis in the range of 50.8–966.8 nM, while the glaucoma associated hCA II was inhibited with Kis in the range of 6.5–760.0 nM. Isoform hCA IV was inhibited with Kis in the range of 65.3–957.5 nM, whereas the tumor associated hypoxia induced hCA IX was inhibited with Kis in the range of 30.8–815.9 nM. The structure activity relationship study for the 3-functionalised-1-phenyl-1,2,3-triazole sulfamoylbenzamides against these isoforms was also inferred from the results.
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