Au(I)Au(II) and Au(I)Au(III) oxidation in ylide complexes with chlorinating agents

H. Schmidbaur, P. Jandik

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Abstract

The gold(I) dimethylphosphonium-bis-methylide dimer 1a is converted into the AuAu-bonded gold (II) complexes 2a, 2b on addition of 1,2-dichloro- or 1,2,-dibromo-ethane respectively. Ethylene is eliminated in this oxidative addition process. With oxalyl or thionyl chloride the gold(III) complex 3a is obtained and no gold(II) intermediate can be observed. ortho-Dichlorobenzene and sym-tetrachloro-ethane give no reaction with 1a. Oxidative addition of dichloromethane to the gold(I)-di-t-butylphosphonium-bis-methylide dimer 1c yields the AuCH2Au-bridged Au(III) complex 4c, analogous to the (P,P)-tetramethyl homologues (4) described previously.

Original languageEnglish
Pages (from-to)97-99
Number of pages3
JournalInorganica Chimica Acta
Volume74
Issue numberC
DOIs
StatePublished - 1983
Externally publishedYes

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