Abstract
AbstractThe preparation and characterization of a dimeric RhIII complex containing two SSi ligands on each rhodium fragment is reported. {Rh[SiMe2(o‐C6H4SMe)]2Cl}2 (1) was obtained by reaction of thioether–silane SiMe2H(o‐C6H4SMe) (L1) with [Rh(cod)Cl]2. Mixed‐valent RhI/RhIII complex {(cod)Rh(μ‐Cl)2Rh[SiMe2(o‐C6H4SMe)]2} (2), which is an intermediate in the formation of 1, was isolated. Furthermore, 1H NMR spectroscopic monitoring revealed the formation of cyclooctenyl intermediates. The tridentate pincer proligand, SiMeH(o‐C6H4SMe)2 (L2), reacts with [Rh(cod)Cl]2 to yield a robust cyclooctenyl RhIII complex, {Rh(η3‐cyclooctenyl)[SiMe(o‐C6H4SMe)2]Cl} (3). Complexes 1–3 were characterized by X‐ray crystallography.
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