5,7-Dimethyl-8-quinolinol has been used in the preparation of the following:tetrakis(5,7-dimethylquinolin-8-olato-κ2N,O)zirconium(IV) dimethylformamide disolvatetetrakis (5, 7-dimethylquinolin-8-olato-κ2N,O) hafnium (IV) dimethylformamide disolvate[Ru(Me2-quo)(dcbpy)2]+Cl-(dcbpy = 2,2’-bipyridinyl-4,4’-dicarboxyl acid; Me2-quo = 5,7-dimethyl-8-hydroxyquinolinate)bis(5,7-dimethyl-8-hydroxyquinolinato)platinum(II) complex