Title
Bis-2(5H)-furanone Derivatives as New Anticancer Agents: Design, Synthesis, Biological Evaluation and Mechanism Studies
Author
Wu Yan-Cheng, Liang Cao, Wen-Jie Mei, Han-Qing Wu, Shi-He Luo, Hai-Ying Zhan, Zhao-Yang Wang
Year
2018
Journal
Chemical Biology & Drug Design
Abstract
New bis-2(5H)-furanone derivatives containing a benzidine core were synthesized via a one-step transition-metal-free reaction of benzidine with 5-substituted 3,4-dihalo-2(5H)- furanones. Their antitumor activities against various tumor cells have been evaluated by MTT assay. Among them, compound 4e exhibits significant inhibitory activity against C6 glioma cells with an IC50 value of 12.1 μM and low toxicity toward HaCaT human normal cells. Studies on the antitumor mechanism reveal that cell cycle arrest at S-phase in C6 cells is induced by compound 4e. Furthermore, investigations with electronic, fluorescence emission and circular dichroism spectra show that compound 4e can significantly interact with C6-DNA. These data indicate that DNA may be one of the potential targets for bis-2(5H)-furanone derivatives as anticancer drugs.
Instrument
J-810
Keywords
Circular dichroism, DNA structure, Ligand binding, Biochemistry, Pharmaceutical