Discovery of novel 6,7-disubstituted-4-phenoxyquinoline derivatives bearing 5-(aminomethylene)pyrimidine-2,4,6-trione moiety as c-Met kinase inhibitors

Bioorg Med Chem. 2014 Feb 15;22(4):1236-49. doi: 10.1016/j.bmc.2014.01.014. Epub 2014 Jan 22.

Abstract

A series of novel quinoline derivatives bearing 5-(aminomethylene)pyrimidine-2,4,6-trione moiety were designed, synthesized, and evaluated for their c-Met kinase inhibitory activities and antiproliferative activities against 5 cancer cell lines (HT-29, H460, MKN-45, A549, and U87MG) in vitro. Most compounds showed moderate to excellent potency, with the most promising analogue 45 (c-Met half-maximal inhibitory concentration [IC₅₀]=1.15 nM) showing high selectivity versus 5 other tyrosine kinases, VEGFR-2, Flt-3, PDGFR-β, c-Kit, and EGFR. Structure-activity relationship studies indicated that electron-donating groups on the phenyl ring at the 3-position of pyrimidine-2,4,6-trione were required to increase the electron density on the 5-(aminomethylene)pyrimidine-2,4,6-trione moiety.

Keywords: Anti-tumor; Pyrimidine-2,4,6-trione; Quinoline derivatives; Receptor tyrosine kinase; c-Met.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antineoplastic Agents / chemical synthesis
  • Antineoplastic Agents / chemistry*
  • Antineoplastic Agents / pharmacology
  • Binding Sites
  • Cell Line, Tumor
  • Cell Survival / drug effects
  • Drug Evaluation, Preclinical
  • Enzyme Activation / drug effects
  • HT29 Cells
  • Humans
  • Molecular Docking Simulation
  • Protein Kinase Inhibitors / chemical synthesis
  • Protein Kinase Inhibitors / chemistry*
  • Protein Kinase Inhibitors / pharmacology
  • Protein Structure, Tertiary
  • Proto-Oncogene Proteins c-met / antagonists & inhibitors*
  • Proto-Oncogene Proteins c-met / metabolism
  • Pyrimidines / chemistry
  • Quinolines / chemical synthesis
  • Quinolines / chemistry*
  • Quinolines / pharmacology*
  • Structure-Activity Relationship

Substances

  • Antineoplastic Agents
  • Protein Kinase Inhibitors
  • Pyrimidines
  • Quinolines
  • quinoline
  • MET protein, human
  • Proto-Oncogene Proteins c-met
  • pyrimidine