
Journal of Organometallic Chemistry p. 81 - 87 (1996)
Update date:2022-08-03
Topics:
Jain, Vimal K.
Jakkal
Reactions of [RuCl2(η6-arene)]2 with ammonium salt of dialkyldithiophosphoric acid in 1 : 1 and 1 : 2 stoichiometry readily gave complexes of the type [Ru{SSP(OR)2}(Cl)(η6-arene)] (arene = benzene, p-cymene; R = Et, nPr, 1Pr, nBu or sBu) and [Ru{SSP(OR)2}2(η6-arene)] (R = Et; arene = p-cymene). The former complexes, on treatment with NaBPh4 in acetone followed by addition of a neutral donor ligand (L), afforded cationic complexes [Ru{SSP(OEt)2}(η6-p-cymene)L][BPh4] (L = py, PPh3, (p-FC6H4)3P, AsPh3]. All the complexes were characterized by elemental analysis and NMR (1H, 31P) data. A single crystal X-ray structure determination of [Ru{SSP(OEt)2}(η6-p-cymene)(PPh3)][BPh4] has established an octahedral configuration around the ruthenium atom. The structure consists of a ruthenium centre bonded to an η6-p-cymene, a chelated dithiophosphate and a unidentate triphenylphosphine ligand.
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