Synthesis and characterization of new mixed ligand complexes of ruthenium(II) containing triphenylphosphine and 2'-hydroxychalcones

Abstract

A few hexacoordinated ruthenium( II) complexes of the type [RuCI(CO) (LL') (PPh₃)₂] and [RuCI(CO) (LL') (B) (PPh₃)] (where H LL' = 2'-hydroxychalcone, 2'-hydroxy-4-rnethoxycha leone, 2'-hydroxy- 3,4-di methoxychalcone and B=pyridine(Py), piperidine(Pip), morpholine (Morph)) have been synthesised and characterized on the basis of their analytical and spectral data (IR, electronic and ¹H NM R). ln all these complexes, the 2'-hydroxychalcones behave as a uninegative bidentate (OO^-) chelating ligand.