Half-sandwich η6-arene ruthenium and Cp∗ rhodium/iridium compounds comprising with thioether ligands: Synthesis, spectral and molecular studies

The reaction of [(η6-arene)Ru(μ-Cl)Cl]2 and [Cp∗M(μ-Cl)Cl]2 (M=Rh, Ir) with tetradentate N,N′-donor chelating ligand viz 3,6-bis(2-thiopyridyl)pyridazine(L1) leads to the formation of mononuclear compounds as general formula [(arene)MCl(L1)]+ {M=Ru, arene=C6H6 (1); p-iPrC6H4Me (2); C6Me6 (3); Cp∗, M=Rh (4); Cp∗, M=Ir (5)} where as 4,6-bis(2′-thiopyridyl)pyrimidine(L2) and 2,3-bis(2-thiopyridyl)pyrazine(L3) leads to the formation of dinuclear …