Durch oxidative Addition von Halogen an 1 : 2-Komplexe von Bis(dipheny1phosphino)methan und -propan mit AuCl (la, 5) entstehen Produkte, die teilweise als Au'/Au'''-Verbindungen (Za, b), teilweise aber auch als echte Au"-Derivate zu formulieren sind (6a, b). Die Adagerung von Iod an den Ad-Komplex liefert nur ein Addukt vom Typ4. Zur Charakterisierung der fast ausnahmslos unloslichen Substanzen wurden die Infrarot-, Mossbauer-und ESCA-Spektroskopie herangezogen.
Gold Complexes of Diphosphinomethanes, 111 ')
Au" Compounds by Means of Oxidative Addition of HalogenOxidative addition of halogen to the 1 : 2 complexes of bis(dipheny1phosphino)methane and -propane with AuCl(1 a, 5) leads to products which are formulated partly as Au'/Au"' compounds (Zs, b), but partly also as true Au" derivatives (6a, b). The addition of iodine to the Au' complex yields an adduct of the type 4. For the characterisation of the largely insoluble materials, infrared, Mossbauer, and ESCA spectroscopy have been employed.
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