Design and Synthesis of (2-<i>oxo</i>-1,2-Dihydroquinolin-4-yl)-1,2,3-triazole Derivatives via Click Reaction: Potential Apoptotic Antiproliferative Agents

A mild and versatile method based on Cu-catalyzed [2+3] cycloaddition (Huisgen-Meldal-Sharpless reaction) was developed to tether 3,3’-((4-(prop-2-yn-1-yloxy)phenyl)methylene)<i>bis</i>(4-hydroxyquinolin-2(1<i>H</i>)-ones) with 4-azido-2-quinolones in good yields. This method...

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Autores principales: Essmat M. El-Sheref, Mohammed A. I. Elbastawesy, Alan B. Brown, Ahmed M. Shawky, Hesham A. M. Gomaa, Stefan Bräse, Bahaa G. M. Youssif
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/7610b55466f44c70935154c1ed148189
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Sumario:A mild and versatile method based on Cu-catalyzed [2+3] cycloaddition (Huisgen-Meldal-Sharpless reaction) was developed to tether 3,3’-((4-(prop-2-yn-1-yloxy)phenyl)methylene)<i>bis</i>(4-hydroxyquinolin-2(1<i>H</i>)-ones) with 4-azido-2-quinolones in good yields. This methodology allowed attaching three quinolone molecules via a triazole linker with the proposed mechanism. The products are interesting precursors for their anti-proliferative activity. Compound <b>8g</b> was the most active one, achieving IC<sub>50</sub> = 1.2 ± 0.2 µM and 1.4 ± 0.2 µM against MCF-7 and Panc-1 cell lines, respectively. Moreover, cell cycle analysis of cells MCF-7 treated with <b>8g</b> showed cell cycle arrest at the G2/M phase (supported by Caspase-3,8,9, Cytochrome C, BAX, and Bcl-2 studies). Additionally, significant pro-apoptotic activity is indicated by annexin V-FITC staining.