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|Title:||A comparative study on dinuclear and multinuclear Ni(II), Pd(II), and Pt(II) complexes of a thiolato-functionalized, benzannulated N -heterocyclic carbene ligand|
|Citation:||Yuan, D., Huynh, H.V. (2013-06-03). A comparative study on dinuclear and multinuclear Ni(II), Pd(II), and Pt(II) complexes of a thiolato-functionalized, benzannulated N -heterocyclic carbene ligand. Inorganic Chemistry 52 (11) : 6627-6634. ScholarBank@NUS Repository. https://doi.org/10.1021/ic400672z|
|Abstract:||Dimeric thiolato-bridged Ni(II) and Pt(II) NHC complexes 2 and 4 have been synthesized from ligand precursor A through a combined and in situ deprotonation/hydrolysis protocol of a thioester-functionalized benzimidazolium salt in the presence of the respective metal salts. Reactivity studies of 2 and 4, and their previously reported Pd(II) analogue 1a toward either Me 3OBF4, NaOH, or Na2S·9H2O revealed clear differences. Complex 2 decomposed when treated with Me 3OBF4. On the other hand, its reaction with aqueous NaOH solution in the presence of NaBF4 yielded trinuclear [Ni 3S3O] complex 6, which possesses an interesting [Ni 3S3] triangle with a capping μ3-oxido ligand. Pt(II) analogue 4 was converted to the tetranuclear [Pt 4S4] macrocycle 5 when treated with Me3OBF 4, in analogy to the result from 1a, while no defined products could be isolated when 4 was treated with either NaOH or Na2S· 9H2O. Pd(II) analogue 1a reacted with Na2S·9H 2O to give the tripalladium [Pd3S3S] complex 7 bearing a capping μ3-sulfido ligand. © 2013 American Chemical Society.|
|Source Title:||Inorganic Chemistry|
|Appears in Collections:||Staff Publications|
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