The synthesis and characterization of three ruthenium complexes [Bu3MeN][Ru(PPh3)(2)(NH2-B12H11)Cl],[Bu4N][Ru(dppb)(NH2-B12H11)Cl] and [RuCO(PPh3)(2)(NH2-B12H11)] with amino-closo-dodecaborate as the coordinating ligand are described.