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  • Title: Synthesis and Carbonic Anhydrase I, II, IX, and XII Inhibition Studies with a Series of Cyclic Sulfonyl Guanidines.
    Author: Abdoli M, Bonardi A, Supuran CT, Žalubovskis R.
    Journal: ChemMedChem; 2024 Oct 01; 19(19):e202400197. PubMed ID: 38923747.
    Abstract:
    A series of thirteen cyclic sulfonyl guanidines were prepared and evaluated against tumor-associated human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoforms hCA IX and hCA XII, as well as against off-target cytosolic isoforms hCA I and hCA II. The compounds reported here were generally inactive against both off-target isoforms (KI>100 μM), while all of them moderately inhibited both target isoforms hCA IX and XII in the submicromolar to micromolar ranges in which KI values spanned from 0.57 to 8.4 μM against hCA IX and from 0.34 to 9.7 against hCA XII. Due to the notable selectivity of the title compounds toward isoforms hCA IX and XII, they can be considered as useful scaffolds for further chemical optimization to develop new highly selective antitumor agents.
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