4-Cyanamidobenzenesulfonamide derivatives: a novel class of human and bacterial carbonic anhydrase inhibitors

Autor: Morteza Abdoli, Alessandro Bonardi, Claudiu T. Supuran, Raivis Žalubovskis
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Journal of Enzyme Inhibition and Medicinal Chemistry, Vol 38, Iss 1, Pp 156-165 (2023)
Druh dokumentu: article
ISSN: 14756366
1475-6374
1475-6366
DOI: 10.1080/14756366.2022.2138367
Popis: A one-pot two-step protocol was developed for the synthesis of a series of novel 4-cyanamidobenzenesulfonamides from easily accessible methyl (4-sulfamoylphenyl)-carbamimidothioate. The new sulphonamides were investigated as inhibitors of the enzyme carbonic anhydrase (CA, EC 4.2.1.1), the human (h) cytosolic isoforms hCA I, II, VII, and XIII, as well as three bacterial enzymes belonging to the β-CA class, MscCA from Mammaliicoccus (Staphylococcus) sciuri and StCA1 and StCA2, from Salmonella enterica (serovar Typhimurium). The human isoforms were generally effectively inhibited by these compounds, with a clear structure-activity relationship privileging long aliphatic chains (C6, C7 and C18) as substituents at the cyanamide functionality. The bacterial CAs were also inhibited by these compounds, but not as effective as the hCAs. The most sensitive enzyme to these inhibitors was StCA1 (KIs of 50.7 − 91.1 nM) whereas SscCA was inhibited in the micromolar range (KIs of 0.86–9.59 µM).
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