HYDROSOLUBLE METAL-COMPLEXES AND CATALYSTS .3. NEW HYDROSOLUBLE METAL-COMPLEXES OF SULFONATED TRIPHENYLPHOSPHANE - MN, FE, RU, CO, RH, IR, NI, PD, PT, AG, AU

The metals Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Ag, and Au are present in 24 new water-soluble complexes containing the ligand tris(sodium-m-sulfonatophenyl) phosphane (TPPTS) which were synthesized from readily accessible precursor compounds and were isolated pure by gelpermeation chromatography. Some of these compounds are the first authentic examples of homoleptic TPPTS metal complexes, viz., Ni(TPPTS)3, Pd(TPPTS)3, Pt(TPPTS)4, Ag(TPPTS)2(TPPTS{black star}), and Au(TPPTS)2(TPPTS{black star}) [TPPTS{black star}: P(C6H4-m-SO3-Na+)2(C6H4-m-SO3-)], each containing one water molecule per sodium ion. It is noted that the homoleptic TPPTS complexes have lower coordination numbers (TPPTS/metal ratios) than those of corresponding complexes of the parent triphenylphosphane (TPP). © 1990.