What are the main uses of 4,4'-Dibromo-2,2'-bipyridine (CAS: 18511-71-2)?

4,4'-Dibromo-2,2'-bipyridine (CAS: 18511-71-2) is primarily used as a ligand in coordination chemistry and as a precursor in the synthesis of pharmaceuticals and materials. It finds applications in research for developing metal complexes, dye compounds, and functional materials. Additionally, it may be utilized in industrial processes requiring brominated aromatic compounds for specific chemical reactivity.