Mechanistic Insights in the Exchange of Arylthiolate Groups in Aryl(arylthiolato)palladium Complexes Supported by a Dippe Ligand
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Carbon–sulfur activation of phenyl p-tolyl sulfide by a mixture of [Pd(dippe)(μ-H)]2 (1a) and dinuclear Pd(0), [(μ-dippe)Pd]2 (1b) (dippe = 1,2-bis(diisopropylphosphino)ethane), to yield four carbon–sulfur activation products, (dippe)Pd(p-tolyl)(SPh) (3a), (dippe)Pd(Ph)(S-p-tolyl) (3b), (dippe)Pd(SPh)(Ph)(3c), and (dippe)Pd(p-tolyl)(S-p-tolyl) (3d), was investigated. The carbon–sulfur complexes 3a–3d were completely characterized by 1H, 31P, and 13C NMR spectroscopy, elemental analysis, and X-ray diffraction. Exchange interactions between arylthiolate groups in (dippe)Pd(Ar)(SAr′) (3a–3d) were investigated, leading to understanding the mechanism of interconversions among the complexes.
创建时间：
2016-02-13
