Design, synthesis, SAR and biological investigation of 3-(carboxymethyl)rhodanine and aminothiazole inhibitors of Mycobacterium tuberculosis Zmp1
作者:Mattia Mori、Davide Deodato、Mohan Kasula、Davide M. Ferraris、Adriana Sanna、Alessandro De Logu、Menico Rizzi、Maurizio Botta
DOI:10.1016/j.bmcl.2018.01.031
日期:2018.2
Sixteen 3-(carboxymethyl)rhodanines, and twelve aminothiazoles as rhodanine-mimetics were designed, synthesized and tested as inhibitors of the Zmp1 enzyme from Mycobacterium tuberculosis (Mtb). Almost all rhodanines (5a-d, 5f-n, and 7a-b) exhibited Zmp1 inhibition with IC50 values in the range 1.3-43.9 mu M, whereas only aminothiazoles 12b and 12d proved active with IC50 values of 41.3 and 35.7 mu M, respectively. Structure-activity relationships (SAR) were coupled with molecular modeling studies to highlight structural determinants for Zmp1 inhibition. Moreover, rhodanines 5a and 5c induced 23.4 and 53.8% of Mtb growth inhibition in THP-1 infected cells, respectively, at the non-toxic concentration of 10 mu g/ml. This work represents a step forward in targeting Zmp1 by small molecules. (C) 2018 Elsevier Ltd. All rights reserved.