Hexa- and Octanuclear Gold Complexes of p-Phenylenediphosphine

Hubert Schmidbaur, Edgar Zeller, Joji Ohshita

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15 Scopus citations

Abstract

p-Phenylenediphosphine 1,4-C6H4(PH2)2, synthesized according to a published procedure, has been fully characterized by its analytical and spectroscopic data. This diprimary phosphine was reacted with 2 equiv of (LAu)3O+BF4 (L = t-Bu3P or Ph3P) to yield products of the type [1,4-(LAu)3P−C6H4−P(AuL)3]2+(BF4)2 with two trigold moieties in the dications. The reaction of 2 equiv of an equimolar mixture of (Ph3PAu)3O+BF4 and Ph3PAu+BF4 with 1,4-C6H4(PH2)2 leads to the product [1,4-(Ph3PAu)4P−C6H4−P(AuPPh3)4]4+(BF4)4 in quantitative yield, which features two tetranuclear units in trans positions. The compounds were obtained as polycrystalline solids, which were readily identified by means of a detailed NMR and mass spectrometric analysis.

Original languageEnglish
Pages (from-to)4524-4526
Number of pages3
JournalInorganic Chemistry
Volume32
Issue number21
DOIs
StatePublished - 1993
Externally publishedYes

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