Novel 2,4-Dichloro-5-sulfamoylbenzoic Acid Oxime Esters: First Studies as Potential Human Carbonic Anhydrase Inhibitors

In this study, a focused library of oxime ester derivatives of 2,4-dichloro-5-sulfamoylbenzoic acid (lasamide) containing Schiff bases was synthesized and tested in vitro for their ability to inhibit the cytosolic human carbonic anhydrases (hCAs) I and II, as well as the transmembrane and tumor-asso...

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Published in:ACS medicinal chemistry letters 2024-06, Vol.15 (6), p.972-978
Main Authors: Kilbile, Jaydeo T., Sapkal, Suryakant B., Renzi, Gioele, D’Agostino, Ilaria, Cutarella, Luigi, Mori, Mattia, De Filippis, Barbara, Islam, Imadul, Massardi, Maria Luisa, Somenza, Elena, Ronca, Roberto, Tamboli, Yasinalli, Carta, Fabrizio, Supuran, Claudiu T.
Format: Article
Language:English
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Summary:In this study, a focused library of oxime ester derivatives of 2,4-dichloro-5-sulfamoylbenzoic acid (lasamide) containing Schiff bases was synthesized and tested in vitro for their ability to inhibit the cytosolic human carbonic anhydrases (hCAs) I and II, as well as the transmembrane and tumor-associated IX and XII isoforms. As a result, we obtained a first line of knowledge on lasamide derivatives potentially useful for development as CA inhibitors (CAIs). In particular, we focused our attention on the derivative 11, which was selective toward hCAs IX and XII over the cytosolic isoenzymes. An in silico study was conducted to assess the binding mode of 11 within hCAs IX and XII. Also, antiproliferative assays highlighted promising derivatives. The data obtained in this study are currently in use for the development of better-performing compounds on the tumor-associated isoforms.
ISSN:1948-5875
1948-5875
DOI:10.1021/acsmedchemlett.4c00206