期刊
NEW JOURNAL OF CHEMISTRY
卷 47, 期 9, 页码 4267-4276出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2nj05703d
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Novel carbonic anhydrase (CA, EC 4.2.1.1) inhibitors were synthesized by linking sulfonate esters to a benzenesulfonamide fragment via hydrazone functionality. These inhibitors showed inhibitory activity against tumor-associated human (h) isoforms hCA IX and XII, and the dominant hCA I and II isoforms. Substituents of methyl, methoxy or chlorine in the para position of the terminal phenyl ring enhanced the inhibitory activity against hCA IX and/or hCA XII with K-i values < 10 nM. Computational techniques were used to predict drug-likeness and pharmacokinetic profiles of the selected compounds. Molecular docking studies were conducted to rationalize the inhibition data of the most effective inhibitor, 4-((2-(4-sulfamoylbenzoyl)hydrazono)methyl)phenyl 4-methoxybenzenesulfonate (SH3), against tumor-associated hCA isoforms IX (K-i = 9.4 nM) and XII (K-i = 5.9 nM).
In the present study, we synthesized novel carbonic anhydrase (CA, EC 4.2.1.1) inhibitors by linking various sulfonate esters to a benzenesulfonamide fragment via hydrazone functionality (SH1-SH14). Following structural characterization using spectral techniques, the obtained molecules were screened for their inhibitory potential against tumor-associated human (h) isoforms hCA IX and XII, along with the physiologically dominant isoforms hCA I and II. Introducing methyl, methoxy or chlorine substituents into the para position of the terminal phenyl ring led to the most effective hCA IX and/or hCA XII inhibitors, with K-i values < 10 nM. Drug-likeness and pharmacokinetic profiles of the selected compounds were predicted using in silico techniques. Finally, molecular docking studies of the most effective inhibitor, 4-((2-(4-sulfamoylbenzoyl)hydrazono)methyl)phenyl 4-methoxybenzenesulfonate (SH3), against the tumor-associated hCA isoforms IX (K-i = 9.4 nM) and XII (K-i = 5.9 nM) were carried out to rationalize the inhibition data.
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