574704-51-1Relevant articles and documents
Gold(I) thiosulfonate complexes
R?mbke, Patric,Schier, Annette,Wiesbrock, Frank,Schmidbaur, Hubert
, p. 123 - 128 (2003)
A series of seven gold(I) p-tolylthiosulfonate complexes of the general type (L)A-SS(O)2C6H4-4-Me have been prepared from the reaction of silver p-tolylthiosulfonate with the corresponding precursor complexes (L)AuCl in dichloromethane. Yields in excess of 90% were obtained throughout for tertiary phosphine and isocyanide ligands L=PMe3, PPh3, Ph2(2-Py)P, (4-Me2NC6H4)Ph2P, iPrNC, and tBuNC. The complexes are surprisingly stable and undergo controlled decomposition well above 100°C. The crystal and molecular structures have been determined for three representative examples. The Me3P and Ph3P complexes form dimers with short aurophilic bonding [Au-Au 2.9955(3) and 3.0509(2) A?] in a crossed-swords conformation, while for the tBuNC complex the monomers with their linear five-atom axes appear as only loosely aggregated dimers with a parallel head-to-tail arrangement [Au-Au 3.5423(3) A?]. In all cases the p-tolylthiosulfonate ligand is S-bonded to the metal center.
