CATIONIC RUTHENIUM(II) COMPLEXES CONTAINING 1,4-BIS(DIPHENYLPHOSPHINO)BUTANE AND COORDINATED SOLVENT MOLECULES

Article abstract of DOI:10.1016/0022-328X(85)80342-9

Efforts of develop catalysts for asymmetric hydrogenation using ruthenium(II)-chelated ditertiary phosphine complexes have led to the synthesis of the complexes <2μ-Cl3>⁺ PF6^-, ⁺ PF6^-, and 6-toluene)(P-P)>⁺ PF6^-, where P-P = 1,4-bis(diphenylphosphino)butane.The characterization of the complexes, including X-ray data for the pseudo-tetrahedral toluene complex, is described.In preliminary tests, the tris(acetonitrile) complex has been shown to be a precursor for a catalyst that effects homogeneous hydrogenation of terminal olefins, CH3CN, and imines.