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ID: ALA3826884
Journal: Bioorg Med Chem
Title: Synthesis and biological evaluation of 3-substituted 5-benzylidene-1-methyl-2-thiohydantoins as potent NADPH oxidase (NOX) inhibitors.
Authors: Bae YS, Choi S, Park JJ, Joo JH, Cui M, Cho H, Lee WJ, Lee SH.
Abstract: We report the synthesis of novel 3-substituted 5-benzylidene-1-methyl-2-thiohydantoins 3, and their biological evaluation using NADPH oxidase (NOX) 1 and 4. Based on structural and pharmacophore analyses of known inhibitors such as hydroxypyrazole 2, we envisioned interesting 2-thiohydantoin compounds, 3-substituted 5-benzylidene-1-methyl-2-thiohydantoins 3 that would be expected to well match the structural features in 2. Efficient synthesis of eighteen target compounds 3 were achieved through the synthetic pathway of 4→11→3, established after consideration of several plausible synthetic pathways. The inhibitory activities of compounds 3 against NOX 1 and 4 were measured, with some of the target compounds showing similar or higher activities compared with reference 2; in particular, compounds 3bz, 3cz, and 3ez were found to be promising inhibitors of both NOX 1 and 4 with modest isozyme selectivities, which highlights the significance of the 2-thiohydantoin substructure for inhibition of NOX 1 and 4. This marks the first time these compounds have been applied to the inhibition of NOX enzymes.
CiteXplore: 27407031